Parts & Accessories

Know what's coming. Ride with extra confidence with Trek CarBack Radar Rear Light. CarBack's radar helps detect rear-approaching vehicles from up to 240m and provides audio and visual alerts through paired GPS head units for increased on-bike awareness. Built with integrated best-in-class Daytime Running Lights that are visible from up to 2km away, CarBack is a must-have for every cyclist riding on shared roads. - CarBack can detect and alert riders of rear-approaching vehicles from up to 240m away - Compatible with most cycling GPS computers - Pair CarBack with the Trek Accessory app to see a vehicle's rear-approaching and passing distance on your smartphone - Designed with focus, flash, and range to be Daytime-visible from up to 2km away - Four light flash modes: Day Flash 90LM, Day Steady 25LM, Night Steady 5LM, and Night Flash 5 LM - Visible fuel gauge LEDs make it easy to see CarBack's 7+ hour battery status - IPX7 waterproof rating to confidently ride through wet conditions - Includes Quick Connect Plus rear mount and USB-C charging cable

Get a clear view of the road ahead, thanks to Thule's Pack n' Pedal Light Holder. This clever accessory organizes your headlight, battery, and wires into a single attachment that's a snap to install and remove. Use it with Thule's Handlebar Mount (sold separately) to give yourself tons of lighting options for early-morning commutes and late-night trail rides.

Our top-selling headphone just got a makeover. OpenMove was created with versatility in mind and designed for everyday use, bringing you the best-in-class bone conduction technology, our signature open-ear design, and comfortable, safe listening at an entry-level price. - Open-Ear Design—Patented bone conduction technology delivers audio through the cheekbone, keeping you connected and aware of your surroundings. Designed with a titanium band for slim, lightweight and comfortable wear, all-day, everyday. - Versatile Headphones—Wireless Bluetooth 5.0 connectivity offers convenient multipoint pairing compatible with your iOS and Android Bluetooth-ready devices. Pairs with smartphones, tablets, Mac and PC computers and laptops. - Durable and Sweatproof—These IP55 certified headphones repel sweat, dust, and moisture, making them the perfect workout partner for any sports, fitness or running enthusiast. Built to withstand even the rainiest weather. - Six-Hour Battery Life—6 hours of continuous music, podcasts and calls on a single charge. Enjoy balanced audio, optimal volume and rich bass anytime, anywhere with this premium OpenMove headset. - Exclusive Sticker Skin Pack—Includes 5 exclusive to Amazon sticker skins. The 5 versatile designs offer easy headphone customization.

Our top-selling wireless sport headphones formerly known as Aeropex now come with new packaging, a quick-charge feature, and a new name. OpenRun are our lightest headphones to date and are engineered with outstanding sound, a long-lasting battery, and Quick Charge to keep you aware and motivated while you power through any workout. - 8th Generation Bone Conduction Technology - IP67 Waterproof (Not for swimming)  - Lightweight + Comfortable - 8-Hour Battery Life + Quick Charge

Our top-selling wireless sport headphones formerly known as Aeropex now come with new packaging, a quick-charge feature, and a new name. OpenRun are our lightest headphones to date and are engineered with outstanding sound, a long-lasting battery, and Quick Charge to keep you aware and motivated while you power through any workout. - 8th Generation Bone Conduction Technology - IP67 Waterproof (Not for swimming) - Lightweight + Comfortable - 8-Hour Battery Life + Quick Charge

Introducing OpenRun Pro, our most premium headphones ever. They’re ready to redefine everything you knew about open-ear listening with improved tech. Our new premium sport headphones feature the latest 9th generation bone conduction technology with two added bass enhancers and our signature situational awareness and comfortable open-ear fit. - Open-Ear Comfort - Premium Sound Quality with Enhanced Bass - 9th Generation Bone Conduction Technology (TurboPitch Technology) - 10 Hours of Music & Calls + Quick Charge - IP55 Water-Resistant

Shimano BT-R1A External Di2 Battery - 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 - Di2 External Battery, battery charger, and power cable are universal between Dura-Ace 9070, 7970, Ultegra 6870, 6770 and Alfine Di2 systems - Battery weight: 71 grams

Connect your PC to CycleOps VirtualTraining.

BLE USB Adapter gives Rouvy virtual training software the ability to seamlessly connect to Bluetooth devices and sensors. The adapter contains a Bluetooth (BLE) radio that allows PCs to communicate with BLE devices, including Saris smart indoor bicycle trainers and power meters. Most importantly, the BLE USB Adapter is necessary to update the firmware Over the Air (OTA) via VirtualTraining for the Hammer and Magnus bike trainers. - Bluetooth adapter for PCs to work with Rouvy - Needed for Over the Air Firmware Updates to Smart Indoor Bike Trainers. - Works with PC desktops and laptops.

Profile Design's UCM XL Universal Computer Mount provides a convenient 60mm-long place to mount your computer on your aero bars. It installs without tools, stays put and can be positioned as needed for easily viewing and controlling your computer.

- Lightweight nylon fiber Garmin handlebar mount with CNC machined AL6061 alloy GoPro mount - Compatible with Garmin Edge 200, 500, 510, 520, 800, 810, and 1000 - Accepts GoPro mounting style compatible accessories - Out-front mounting position centers the computer and accessories in front of the stem - Fits both 25.4mm and 31.8mm handlebars with included adapter

The TPH-1 Tablet Grip from Minoura is the ultimate tablet holder for indoor training. Fitting a diameter between 28mm and 35mm, this stand will fit most bicycles. - Perfect accessory to use with LiveTraining Apps, The Sufferfest videos, or other media - SM clamp easily mounts or dismounts from the handlebar or tube - Spring-loaded clamp system is simple to use and securely holds your device in place - Holds from a 7.9 to 9.7 inch screen with 360 degree rotation system - Can mount to your repair stand so you can easily reference the Internet when working on your bike

The K-EDGE Gravity Top Cap is a great computer mount for those mountain riders that already have a lot going on with the cockpit of their bikes, or just want a simple and sleek looking computer mount. The Top Cap replaces your already existing top cap with the K-EDGE Gravity top cap. Ideal position for Downhill and Enduro racing/riding, but is also a popular solution for any bike when using a smaller style computer (20, 25, 200, 500, 510, 520, 820). - CNC Machined 6061-T6 Aluminum Platform, Injection Molded Garmin Specific Co- Polymer Interface - Compatibility: All Garmin Edge Computers including the 1030*, 1000*, 820, 810*, 800*, 510, 520, 500, 200, 25, 20. Also supports the Touring, Touring Plus, Forerunner 310XT, and 910XT. (Larger EDGE computers such as 800, 810, 1000, 1030 may interfere with very steep, upright, stem angles.) - Made in Boise, Idaho, USA. - Lifetime Guarantee against material or manufacture defects. Damages due to abuse or crashing excluded

Take your riding to the next level with the addition of speed and cadence. Features - Sensor magnet kit for RideSense speed and cadence sensors Kit includes: - RideSense speed magnet - RideSense cadence magnet

Mount your Varia Rearview Radar or Varia Smart Bike Light (each sold separately) to an aero or round seat post with this quarter-turn mount. Includes mount, 2 fitting shims and 4 O-rings.

The ANT+ Micro USB adapter allows on-the-go devices (OTG), such as your Android phone or tablet, to connect to an ANT+ USB stick. Android OTG compatible devices require ANT+ Radio Service and ANT+ USB Service to be installed from the Google Play store. These services allow the adapter to work correctly with an ANT+ USB stick.

Connect your desktop to CycleOps VirtualTraining.

CatEye's ANT+ Speed/Cadence Sensor works with any ANT+ compatible cyclo-computer, including CatEye's Stealth EVO+, to give you speed and cadence data, so you can improve your cycling and track your rides. Attack each ride and celebrate your successes on the bike!

OEM CR2032 3V Lithium Battery used in most CatEye cycle computers.

Cadence Magnet for all CatEye computers that record cadence.

Wheel magnet for all CatEye cycle computers

Seamlessly connected. This SP Connect kit allows any smartphone case to be connected to the Intellimount Stem for a tidy dashboard on your bike. Highlights: - Fits most smartphone cases - Includes Intellimount adapter, adhesive mount and stand tool - Compatible with all SP products

Smart Cadence Sensor applies both ANT+ and Bluetooth technology. It wirelessly transmits your cadence data to cycling computers and smart phones. With no magnets or exposed parts to line up, it is much easier to install. Easy to Use - Smart Cadence Sensor is magnet-free and super-easy to use and install as well as maintain and move between bikes. Dual Support - Featuring the application of both ANT+ and Bluetooth technologies, the Smart Cadence Sensor is able to connect to both cycling computers and smart phones, making it compatible with most devices in the market. Improve Yourself - Designed to help you monitor both outdoor and indoor training, it can be combined to improve your personal best or compete with other cyclists.

Smart Speed Sensor applies both ANT+ and Bluetooth technology. It wirelessly transmits your speed data to cycling computers and smart phones. With no magnets or exposed parts to line up, it is much easier to install. Easy to Use - Smart Speed Sensor is magnet-free and super easy to use and install as well as maintain and move between bikes. Dual Support - Featuring the application of both ANT+ and Bluetooth technologies, the Smart Speed Sensor is able to connect to both cycling computers and smart phones, making it compatible with most devices in the market. Improve Yourself - Designed to help you monitor both outdoor and indoor training, it can be combined to improve your personal best or compete with other cyclists.

The SmartphoneHub transforms your bike into a fully networked eBike. The smartphone and COBI.Bike app turn the SmartphoneHub into an intelligent control center that can be used for navigation, recording activities, and connection to other. The eBike can also be ridden without a smartphone due to the integrated display in the SmartphoneHub, showing the most important riding data. - The SmartphoneHub and the COBI.Bike app connect the eBike to the digital world and allow for navigation, music streaming, fitness tracking, and integration of other services and apps such as Strava - A 1.52-inch display allowing for use without a smartphone - The COBI.Bike app gives eBikers a permanent overview of the most important training data. such as performance, cadence and calorie consumption - The COBI.Bike app allows access to music and audiobook streaming services, such as Spotify or Audible, which can be operated by remote control - The SmartphoneHub charges phones using the eBike battery - Walk assistance function helps you push your eBike at speeds of up to 6 mph

Get your computer dialed with the perfect magnet Getting the correctly sized magnets means you're worrying about where the next coffee stop is, not if your computer is recording the ride. - Universal crank magnets sized for your bike and sensor - Compatible with all cadence sensors

Get your computer dialed with the perfect magnet Getting the correctly sized magnets means you're worrying about where the next coffee stop is, not if your computer is recording the ride. - Universal crank magnets sized for your bike and sensor - Compatible with all cadence sensors

Blendr is the ultimate integration system for clean and easy installation of lights, computers, and other accessories. Start with a Blendr stem, add the appropriate base, and finish with the Blendr Garmin High Mount for a clean, flush look that securely holds your Garmin centered over the stem. Key features: - Blendr is an elegant, integrated accessory mounting solution - Provides clean and secure mount for Garmin GPS - Works with any Blendr-compatible stem and the accompanying base - For use with Blendr bases (Pro, XXX, XXX bar/stem, and select Elite bases)

Light up the road Blendr is the ultimate integration system for clean and easy installation of lights, computers, and other accessories. Start with a Blendr stem, add the appropriate base, and finish with the Blendr Universal Ion Mount for a clean, flush look that securely holds your Bontrager Ion light in a perfect position to see and be seen. - Blendr is an elegant, integrated accessory mounting solution - Clip can be rotated for compatibility with many Bontrager accessories - Works with any Blendr-compatible stem and the accompanying base

Getting the correctly sized magnets means you're worrying about where the next coffee stop is, not if your computer is recording the ride. Key features: - Universal crank magnets work with any cadence sensor - Get the perfectly sized magnet, sized right for your bike and sensor - 20mm cadence magnet improves signal for wider gaps between crank and sensor