Electronics

No matter your skill level or experience on the bike, there's no better way to enhance your training and racing performance than by riding with a power meter. And for all of you Dura-Ace fans out there, we've combined our extremely light power sensors with a Shimano Dura-Ace crankset to give you the most accurate and precise power meter available. The development of Power Cranks began with our Human Performance Team looking at riders in realistic scenarios on the bike. Historically, power meters have been validated by two different methods—one is by measuring the produced torque by applying a static, linear load to a crankarm or chainring, while the second uses a power generating motor to pedal the bike. Well, cycling is neither static nor linear, and humans apply power much differently than a machine. So, we found that neither of these methods answers the "real-world" accuracy question. To get the best test for accuracy, in all types of riding scenarios, we built our own cycling treadmill, the WinMill, to measure power output to a known truth. This new benchmark lets us evaluate accuracy under all riding conditions—seated versus standing, various power and cadence levels, different weights, and a myriad of gear. This data acquisition process is our gold-standard for testing power meters, and through our testing and external validation from the Locomotion Lab in Boulder, Colorado, Power Cranks have been proven to have the highest accuracy in real-world scenarios (+/- 1.5%). The Dual-Sided S-Works Power Cranks utilize separate strain gauge systems to individually measure the effort produced by each leg. This maximizes the accuracy of your total power numbers, plus it helps you to better understand your performance as fatigue increases and when you're recovering from injury. And with class-leading temperature compensation firmware and waterproof enclosures, Power Cranks are easy to live with. Calibration is only required during seasonal-type fluctuations in temperature, and the included wrench makes battery swaps a breeze. - +/- 1.5% real-world accuracy tested on the WinMill and validated by the Locomotion Lab in Boulder, CO - Independent, dual-leg power measurement - Works with ANT+ and Bluetooth devices - Easy set-up and diagnostics with the Specialized Power app. (iOS and Android versions available) - Available in 170-175mm crankarm lengths - All models include 52/36T chainrings

No matter your skill level or experience on the bike, there's no better way to enhance your training and racing performance than by riding with a power meter. Lucky for you, Specialized has combined their incredibly light and stiff carbon fiber S-Works road cranks with dual-sided power measurement, making it the lightest (440g/172.5mm) and most accurate power meter available. The development of Power Cranks began with Specialized's Human Performance Team looking at riders in realistic scenarios on the bike. Historically, power meters have been validated by two different methods—one is by measuring the produced torque by applying a static, linear load to a crankarm or chainring, while the second uses a power generating motor to pedal the bike. Well, cycling is neither static nor linear, and humans apply power much differently than a machine. So, they found that neither of these methods answer the "real-world" accuracy question. To get the best test for accuracy, in all types of riding scenarios, Specialized built their own cycling treadmill, the WinMill, to measure power output to a known truth. This new benchmark lets them evaluate accuracy under all riding conditions—seated versus standing, various power and cadence levels, different weights, and a myriad of gear. This data acquisition process is their gold-standard for testing power meters, and through their testing and external validation from the Locomotion lab in Boulder, Colorado, Power Cranks have been proven to have the highest accuracy in real world scenarios (+/- 1.5%). The Dual-Sided S-Works Power Cranks utilize separate strain gauge systems to individually measure the effort produced by each leg. This maximizes the accuracy of your total power numbers, plus it helps you to better understand your performance as fatigue increases and when you're recovering from injury. And with class-leading temperature compensation firmware and waterproof enclosures, Power Cranks are easy to live with. Calibration is only required during seasonal-type fluctuations in temperature, and the included wrench makes battery swaps a breeze. - +/-1.5% real-world accuracy tested on the WinMill and validated by the Locomotion Lab in Boulder, CO. - Independent, dual-leg power measurement. - Works with ANT+ and Bluetooth devices. - Easy set-up and diagnostics with the Specialized Power app. (iOS and Android versions available). - Hollow carbon crankarms, carbon spider, and oversized alloy spindle offer superior stiffness and lighter weight than the competition—440 grams for 172.5mm crankarm length. - Fits Specialized road frames with OSBB or PF30 bottom bracket shell, as well as most BB30 road frames. - 110 BCD carbon spider (also compatible with 130 BCD carbon spider—sold separately). - Compatible with Shimano and SRAM drivetrains. Chainrings are sold separately. Use only with Specialized/Praxis chainrings 06217-1702 (52/36T) and 06218-1713 (50/34T). - Available in 165-180mm crankarm lengths.

Whether it's just having a second battery for peace of mind, or for carrying on a ride you know is going to require a bit more juice, Specialized's Turbo SC battery has a long lifecycle for that extra distance. It charges super fast and has a massive 691Wh capacity. - Custom Li-Ion battery for Turbo. - 691Wh capacity (60 cells x 3.2Ah) with ANT/BT module to connect to external devices. - Allows super-fast charging times and a long life cycle.

The Custom Li-Ion Turbo Levo Battery has a 504Wh capacity and works with all Turbo Levo models. The battery also includes an ANT+/ Bluetooth module that enables the bike to work with the Specialized Mission Control App or any other ANT+ device. Lastly, it has a rock guard and all of the hardware required for installation. - Battery features a 504Wh capacity - Works for all Turbo Levo models - ANT+/Bluetooth module works with Specialized's Mission Control App and any other ANT+ device - Includes rock guard and all hardware

This is a custom Li-Ion Turbo Vado Battery that has a 604Wh capacity that works with all Turbo Vado models. It's fully integrated with the frame, removable for easy charging, and lockable for added security. - Battery features a 604Wh capacity. - Works with all Turbo Vado models. - Lockable and down tube integrated. - Chargeable either on- or off-the-bike. - Includes LED power indicator.

First, Garmin invented wrist-worn portable navigation. Then, with the D2 Bravo pilot watch, we took the idea a step further — combining even more capability and features in an elegant design that is lighter, thinner, more connected and simpler to use in today’s busy cockpit environments. - Thinner, lighter, more evolved GPS pilot watch design - Features METAR screen for the latest aviation weather information - Dedicated Direct-to and Nearest buttons enabled by a worldwide airport database - Scratch-resistant optical sapphire lens and crisp color display that's customizable with Connect IQ apps - Baro-adjustable altimeter, HSI, Zulu/UTC time reference, various timers and alerts plus wireless control for VIRB® cameras

Go from one-sided to dual-sided power measurement with Garmin's Vector 2S Upgrade Pedal. With your standard 2S system (sold separately) you only have power data from your left leg, which leaves the possibility of unknown discrepancies between your left and right sides. Injuries, natural imbalances, and other factors that leave one side of your body less powerful than the other are common. By measuring power from both legs, you get a much more accurate picture of what you're doing and how to improve on any asymmetry you might have.

Pioneer's Shimano Dura Ace 9000 Power Meter is a revolutionary power meter that attaches stealthily to the left crankarm. The Dura Ace 9000 left crank arm meter allows every rider power-based (also called watt-based) training performance, allowing you to fine-tune your pedaling to find race-winning form without breaking the bank. With advanced technology accurate to +/- 2%, ANT+ transmitting, active temperature compensation, and a mere 22 grams of weight, the Pioneer power meter is perfect for any cyclist. Additionally, installation is fast, simple, and clean with zero wires, magnets, or zip ties. If you find yourself addicted to the data and crave more, upgrade kits that retroactively add drive-side power are available (sold separately).

Whether you're looking to take your training to the next level or you simply want a better way to measure energy expenditure, a power meter is your best bet. And the Power Cranks Ultegra Upgrade Kit are no exception. With our lightweight power sensors on a Shimano Ultegra crankarm, it's the perfect way to enter the power meter game. The development of Power Cranks began with our Human Performance Team looking at riders in realistic scenarios on the bike. Historically, power meters have been validated by two different methods—one is by measuring the produced torque by applying a static, linear load to a crankarm or chainring, while the second uses a power generating motor to pedal the bike. Well, cycling is neither static nor linear, and humans apply power much differently than a machine. So, we found that neither of these methods answers the 'real-world' accuracy question. To get the best test for accuracy, in all types of riding scenarios, we built our own cycling treadmill, the WinMill, to measure power output to a known truth. This new benchmark lets us evaluate accuracy under all riding conditions—seated versus standing, various power and cadence levels, different weights, and a myriad of gear. This data acquisition process is our gold-standard for testing power meters, and through our testing and external validation from the Locomotion Lab in Boulder, Colorado, Power Cranks have been proven to have the highest accuracy in real-world scenarios (+/- 1.5%). The Power Cranks are also easy to live with, with class-leading temperature compensation firmware and waterproof enclosures. Calibration is only required during seasonal-type fluctuations in temperature, and the included wrench makes battery swaps a breeze. - +/- 1.5% real-world accuracy tested on the WinMill and validated by the Locomotion Lab in Boulder, CO. - Works with ANT+ and Bluetooth® devices. - Easy set-up and diagnostics with the Specialized Power app. (iOS and Android versions available). - Shimano 8000 generation Ultegra left-side power measurement. - Right crankarm and spider NOT included. - Available in 170-175mm crankarm lengths.

When adventure calls, answer it on 2 wheels with Edge Explore 1000. Ideal for touring and adventure, this navigator has a preloaded Garmin Cycle Map with routable road and bike paths, elevation data, points of interest and address search. - On-road or off-road navigation with preloaded Garmin Cycle Map - Input distance and other parameters and choose from up to 3 round-trip ride options - Plan new routes to follow, on device or through apps - Incident detection* offers automatic or manual alerts to emergency contacts - Connected features*: instant uploads, incoming call and text alerts, live tracking, weather * when paired with a compatible smartphone

Garmin started with the aerodynamic form factor of the popular Edge 500, added in-ride challenges on Strava live segments, color display, connected capabilities and advanced analysis features. The result—Edge 520, the GPS bike computer that’s right-sized for competitive cyclists and packed with the features you crave. The Bundle includes a premium heart rate monitor, speed and cadence sensors, plus standard and extended out-front mounts. Edge 520 compromises nothing when it comes to display — 2.3 inches of high-resolution color. We maximized the display so you get the most live area in relation to the compact size of the 520. You’ll also appreciate the screen clarity in all lighting conditions. The compact, rugged form factor and 15+ hour battery life of Edge 520 make it ideal for off-road adventures. It’s also compatible with GPS/GLONASS satellites, so you benefit from more signal options, wherever your ride takes you. - Offers in-ride challenges through Strava live segments - Reports cycling-specific VO2 max and recovery time when used with power and heart rate - Pairs with compatible ANT+ indoor trainers for data display and control - Tracks Functional Threshold Power (FTP), watts/kg and cycling dynamics when used with Vector or Vector 2 power meters - Connected features (when compared with a compatible phone): automatic uploads, live tracking, smart notifications, send/receive courses, social media sharing, weather

Significantly smaller, the SRAM eTap AXS BlipBox is now easier to integrate — mounting inside a stem faceplate cap, feed box, or frame. It's also AXS enabled, for easy personalization. Simple, intuitive, aero. - Replaces standard drop bar shift levers - Simple and intuitive eTap shift logic - AXS enabled for easy personalization - Limitless aero configurations - Two ports per side for Blips - Fits the included optional stem mount - Compatible with existing eTap Blips and Clics - Mounts inside stem faceplate cap, feed box or frame

Whether you're looking to take your training to the next level or you simply want a better way to measure energy expenditure, a power meter is your best bet. And the Power Cranks 105 Upgrade Kit are no exception. With our lightweight power sensors on a Shimano 105 crankarm, it's the perfect way to enter the power meter game. The development of Power Cranks began with our Human Performance Team looking at riders in realistic scenarios on the bike. Historically, power meters have been validated by two different methods—one is by measuring the produced torque by applying a static, linear load to a crankarm or chainring, while the second uses a power generating motor to pedal the bike. Well, cycling is neither static nor linear, and humans apply power much differently than a machine. So, we found that neither of these methods answers the 'real-world' accuracy question. To get the best test for accuracy, in all types of riding scenarios, we built our own cycling treadmill, the WinMill, to measure power output to a known truth. This new benchmark lets us evaluate accuracy under all riding conditions—seated versus standing, various power and cadence levels, different weights, and a myriad of gear. This data acquisition process is our gold-standard for testing power meters, and through our testing and external validation from the Locomotion Lab in Boulder, Colorado, Power Cranks have been proven to have the highest accuracy in real-world scenarios (+/- 1.5%). The Power Cranks are also easy to live with, with class-leading temperature compensation firmware and waterproof enclosures. Calibration is only required during seasonal-type fluctuations in temperature, and the included wrench makes battery swaps a breeze. - +/- 1.5% real-world accuracy tested on the WinMill and validated by the Locomotion Lab in Boulder, CO. - Works with ANT+ and Bluetooth devices. - Easy set-up and diagnostics with the Specialized Power app. (iOS and Android versions available). - Shimano 5800 generation 105 left-side power measurement. - Right crankarm and spider NOT included. - Available in 170-175mm crankarm lengths.

Forerunner 235 with Elevate heart rate technology measures heart rate at the wrist 24/7, giving you the option to run without a strap. Its colorful gauge identifies your heart rate zone and beats per minute in real time. - Tracks distance, pace, time, heart rate and more - Connected features: automatic uploads to Garmin Connect, live tracking, audio prompts, smart notifications and social media sharing (when paired with a compatible smartphone) - Activity tracking counts daily steps, distance, calories and sleep - Download data fields, watch faces, widgets and applications from Connect IQ

Garmin started with the aerodynamic form factor of the popular Edge 500, added in-ride challenges on Strava live segments, color display, connected capabilities and advanced analysis features. The result—Edge 520, the GPS bike computer that’s right-sized for competitive cyclists and packed with the features you crave. Edge 520 compromises nothing when it comes to display — 2.3 inches of high-resolution color. We maximized the display so you get the most live area in relation to the compact size of the 520. You’ll also appreciate the screen clarity in all lighting conditions. The compact, rugged form factor and 15+ hour battery life of Edge 520 make it ideal for off-road adventures. It’s also compatible with GPS/GLONASS satellites, so you benefit from more signal options, wherever your ride takes you. - Offers in-ride challenges through Strava live segments - Reports cycling-specific VO2 max and recovery time when used with power and heart rate - Pairs with compatible ANT+ indoor trainers for data display and control - Tracks Functional Threshold Power (FTP), watts/kg and cycling dynamics when used with Vector or Vector 2 power meters - Connected features (when compared with a compatible phone): automatic uploads, live tracking, smart notifications, send/receive courses, social media sharing, weather

Leave the tedious leg-work of planning routes to Garmin's Edge Touring Plus so you can focus on the enjoyable leg-work of riding. Preloaded with Garmin's Cycle Map, it's packed with millions of roads, trails, points of interest, and provides turn-by-turn directions on a large, easy-to-see and use touch screen. Whether you have a destination in mind or just a distance, the Edge Touring gives you three options—Cycling, Tour Cycling, or Mountain Biking—that take the most bike-friendly round trip or A to B route. ANT+ technology lets you pair the Edge Touring Plus with a compatible heart rate monitor (sold separately). Plan your route, keep track of your ride data, log into Garmin Connect back at home, and upload to share and analyze your effort. You can even find and download maps that others have made, or you can create and share your own.

Pioneer's power meters are simply some of the best power-monitoring systems on the planet, and the SGX-CA500 computer is your chance to get the most out of your power meter and have a world-class data display. Pioneer has created the first, and only, power meter that measures power output and pedaling stroke efficiency for each individual leg, and the SGX-CA500 lets you analyze this data in real time. A few quick swipes give you access to your state-of-the-art ride data, and intuitive controls allow for scrolling, zooming, and screen customization to let you see what you want, when you want it. The 1.87-inch LCD screen makes it incredibly easy to see critical data, even if you are on the rivet up the final climb. As an added bonus, users of Shimano’s Di2 electronic road bicycle shifting system can now utilize the SGX-CA500 to track gearing and system status as they ride. - Delivers high functionality for practical situations, in a small, lightweight (75 g) package - Visualizes pedaling state and efficiency through graphical displays of force vectors (when used together with a pedaling monitor sensor) - Enables new modes of training focused on pedaling skill development - Displays over 100 data types, such as power, cadence, speed, and incline, all in real time - Easy, intuitive touch-panel operation, even when wearing full-finger gloves - Upload data to Cyclo-Sphere, our online data analysis service, via USB or Wi-Fi connection (Wi-Fi Internet connection required) - Weight: About 75 g - Dimensions: 58 mm (W) x 58 mm (H) x 19 mm (D) (without projection parts) - Connector: microUSB - Water-resistance: This device has a water-resistance rating of IPX-6/IPX-7 - Communications system (sensors): ANT+ - Communications method (network): Wi-Fi - Positioning system (latitude/longitude): GPS - Positioning system (altitude): Atmospheric pressure sensor - Display: 160x128 pixel, horizontal 1.87-inch outdoor type, Black and white touch panel (resistive touch display) - Built-in flash memory: 4 GB (user available capacity 3 GB) - Guaranteed operational temperature range: -10 to 50°C - Charging temperature: 0 to 45°C - Power supply voltage: DC 5V - Battery type: Lithium-ion battery - Battery operating time: Approximately 12 hours (the battery operating time may decrease depending on the operating conditions) - Charging time: Approximately 4 hours (Power off or normal charging) - Accessories: Bracket, USB cable, Strap, Quick Start Guide, Warranty card, Important Information for the User - Specifications and design are subject to change without notice.

They say you have to get lost to find yourself. That may be difficult with Garmin's Edge Touring GPS computer. Preloaded with Garmin's Cycle Map, it's packed with millions of roads, trails, points of interest, and provides turn-by-turn directions on a large, easy-to-see and use touch screen. Whether you have a destination in mind or just a distance, the Edge Touring gives you three options—Cycling, Tour Cycling, or Mountain Biking—that take the most bike-friendly round trip or A to B route. You can log into Garmin Connect to find and download maps that others have made, or you can create and share your own.

Go the extra mile. Edge 25 captures essential ride stats, including time, distance, speed, total ascent and location. When paired with a heart rate strap (sold separately), it records your heart rate and heart rate zone so you’ll know when you hit your target (also providing more accurate information on calories burned during your ride). The bundle includes a crankarm-mounted cadence sensor. Edge 25 offers the necessary stats to take your ride to the next level. Small in size, yet packed with features such as smart notifications when paired with a smartphone. Choose from courses ridden by others or create your own on Garmin Connect, Garmin's free online community. Once you choose a course, upload it directly to Edge 25 and follow it to your destination. You can even compete against yourself! Via Bluetooth with your smartphone or a simple connection to a computer, you can upload your activities to Garmin Connect and see the path you traveled on a map, analyze it, share it and view details. Bluetooth also allows Live Tracking, so friends/family can follow your ride in real time. Invite followers using email or social media, which lets them view your live data on Garmin Connect. Compete against other cyclists on Garmin Connect segments and see your results post-ride on the leaderboard. Includes on-device alerts for segment start/finish points. Edge 25 lets you know how fast/far you’re riding. ANT+ sensors (sold separately) let you track indoor speed and distance. It also uses GPS/GLONASS satellites to track how far/fast and where you ride, even under dense tree cover. Unlike a phone, you can use Edge 25 for up to 8 hours without worrying about data or battery drainage. - Tracks time, distance and speed, and heart rate ((heart rate transmitter sold separately) - Plan, download and follow new rides - Save, plan and share your activities at Garmin Connect - Water-resistant, durable device - Connected features, for instant data upload and LiveTrack

Enhance your triathlon experience by pairing HRM-Tri and HRM-Swim with Forerunner® 920XT for a much more unified approach to training and racing. The non-slip HRM-Swim is perfect for pool swimming with wall push-offs. On land, in open water and for racing, use HRM-Tri’s ultra-soft strap that’s as comfortable out of water as it is underwater. Both store and forward heart rate data to Forerunner 920XT.

Designed with help from the riders of Team Sunweb, the all-new NeosTrack GPS Cycling Computer is engineered to provide riders with the information they need to push the limits of performance. With integrated FTP/LTHR test protocols, Auto-Sync capabilities, and even turn by turn route guidance, the NeosTrack is your pocket-sized training partner. What’s more, NeosTrack boasts a battery life of up to 33 hours on a single charge and features Bluetooth technology to seamlessly connect with smartphones. It also features ANT+ technology for compatibility with most ANT+ power meters and training sensors currently available in the market. Features - High-sensitivity GPS receiver - Easy Setup with the NeosTrack App - Real-time Di2 gearing, gear ratios and battery charge level - Auto-sync with TrainingPeaks - Turn by turn guidance - Integrated FTP/LTHR testing protocols - Large easy-to-read 2.6” LCD Anti-glare display - Battery life of up to 33 hours on a single charge - IPX7 waterproof protection

Go the extra mile. Edge 25 captures essential ride stats, including time, distance, speed, total ascent and location. When paired with a heart rate strap (sold separately), it records your heart rate and heart rate zone so you’ll know when you hit your target (also providing more accurate information on calories burned during your ride). Edge 25 offers all the necessary stats to take your ride to the next level. Small in size, yet packed with features such as smart notifications when paired with a smartphone. Choose from courses ridden by others or create your own on Garmin Connect, Garmin's free online community. Once you choose a course, upload it directly to Edge 25 and follow it to your destination. You can even compete against yourself to make it more interesting. Via Bluetooth with your smartphone or a simple connection to a computer, you can upload your activities to Garmin Connect and see the path you traveled on a map, analyze it, share it and view details. Bluetooth also allows Live Tracking, so friends and family can follow your ride in real time. Invite followers using email or social media, which lets them view your live data on Garmin Connect. Compete against other cyclists on Garmin Connect segments and see your results post-ride on the leaderboard. Includes on-device alerts for segment start/finish points. Edge 25 lets you know how fast/far you’re riding. ANT+ sensors (sold separately), let you track cadence, as well as indoor speed and distance. Edge 25 uses GPS/GLONASS satellites to track how far/fast and where you ride, even under dense tree cover. Unlike a phone, you can use Edge 25 for up to 8 hours without worrying about data or battery drainage. - Tracks time, distance and speed, and heart rate ((heart rate transmitter sold separately) - Plan, download and follow new rides - Save, plan and share your activities at Garmin Connect - Water-resistant, durable device - Connected features, for instant data upload and LiveTrack

Take the next step as a runner with this easy-to-use GPS watch that tracks how far, how fast and how long you’re running. Stay connected on your runs with call and text alerts when paired with a smartphone. Heart rate compatibility allows you to train with heart rate zones so you know when to push it on that last mile or when to reign it in. It also provides more accurate information about your calories burned. Heart rate compatibility allows you to train with heart rate zones so you know when to push it on that last mile or when to reign it in. It also provides more accurate information about your calories burned. Fitness progress doesn’t stop after your run. Forerunner 25 keeps track of your daily steps as well, whether you’re indoors or outside. With a paired compatible smartphone or a simple computer connection, you can upload your activities to our free online fitness community, Garmin Connect. Here, you can see your run on a map, get more detail on each mile, see a daily summary of your activities and share with friends. You can also join online challenges and earn virtual badges for extra motivation. Additional connected features include live tracking, where you can let your family and friends follow your run in real time. - Tracks distance, pace, heart rate (heart rate transmitter sold separately), and calories - Instantly share runs and activity tracking progress (when paired with a smartphone) with friends, family and the world via social media by pairing a compatible device with Garmin Connect Mobile - Activity tracking counts steps and calories and reminds you when it’s time to move - Up to 8 hours (small) or 10 hours (large) of battery life with GPS on, or 8 weeks (small) or 10 weeks (large) in watch/activity tracking mode - Save, plan and share your activities at Garmin Connect

Whether you’re an athlete in training or just trying to maintain a healthy weight, Garmin Index smart scale provides the metrics you need to track progress and see results. It measures weight (lbs, kg, st), body mass index (BMI), body fat/water percentage, bone mass and muscle mass. - Wi-Fi connected; compatible with Bluetooth and ANT wireless connectivity - Measures weight, body mass index, body fat, muscle mass and more - Recognizes up to 16 users - Up to 9 months of battery life

When your goggles are on, your toes are at the pool's edge, and you need a little extra motivation to make the leap, rely on Garmin's Swim watch to record your laps, strokes, distance, pace, and more. When you push off the wall it automatically knows which stroke you are practicing and tracks your efficiency, while a simple push of a button lets you log drills and time your intervals. Later, upload your swim onto Garmin Connect to see your progress and even more metrics. This slim, stylish watch shows dual time zones and features an alarm so you can wear it throughout your day. Just be careful, the weekly swim distance display will have you wanting to cut out of work early to hit the pool deck for more mileage!

Enhance your triathlon experience by pairing HRM-Tri with your Forerunner® 920XT. The HRM-Tri stores heart rate data when underwater, then forwards it to the 920XT. Our smallest and lightest module fits within the width of the strap. Its soft, rounded edges and covered seams make the strap super-comfortable out of the water, too.

Shimano Di2 External Battery Mounts - All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions - Use Di2 system checker to update component firmware

Shimano Di2 External Battery Mount - All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions - Use Di2 system checker to update component firmware

Garmin's HRM-Run heart rate monitor provides the most advanced running metrics to high-end Garmin Forerunner running watches. The small, lightweight module fits entirely within the width of the seamlessly comfortable, easily adjustable non-slip strap, while providing advanced heart rate and physiological features — VO2 max, lactate threshold, recovery time estimates, stress score, performance condition and predicted race times — as well as 6 running dynamics measurements — cadence, vertical oscillation, ground contact time, vertical ratio, stride length and left/right ground contact time balance. This real-time data can help athletes take their performance to the next level.

Take your training to the next level by pairing HRM-Swim with your Forerunner® 920XT. The sleek, non-slip strap stays in place, even during wall push-offs. Once out of water, real-time heart rate, interval summaries and stored heart rate are transmitted to the 920XT.