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

The SpeedZone Stem Mount w/out Transmitter is a compression cap mounting ring for SpeedZone cycling computers.

SRAM eTap Battery is the power source for the eTap system. The same power unit is interchangeable between front and rear derailleurs. - Up to 1000 kilometers of riding per charge - Weight: 24g - Finish: Black - Compatibility: SRAM RED eTap

Keep your handlebar organized and your devices secure with the SGS-400-STD (22.2/25.4/28.6mm) from Minoura. - Holds up to 2 accessories (light, computer, mp3, bottle cage holder, etc.) - Lightweight and rustproof alloy construction - New LW-Clamp reduces weight 25 grams compared to previous models - Aluminum bar is position adjustable and uses Hex Bolt to install and remove - 22mm-29mm diameter

K-EDGE’s legendary CNC machined aluminum quality and strength for the price conscious cyclist. Pro positioning of your computer, out-front and flush with the top of the handlebar. - CNC Machined 6061-T6 Aluminum Platform, Injection Molded Copolymer Interface - Compatible: Garmin EDGE 820, 520, 510, 500, 25 and 20. - Replaceable Garmin Insert with K-EDGE “Definitive Click” locking system - Fits 31.8MM Handlebars - NOT combo compatible - Weight: 48g - Anodized Color- Black

The K-EDGE Gravity Top Cap is a great computer mount for those mountain riders that already 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.

Monitor your pedaling cadence as you ride with this easy-to-install wireless sensor. With no magnets or other exposed parts to line up, this sensor is easy to install, maintain and move between bikes. Simply attach the sensor and ride. With no magnets or other exposed parts to line up, this sensor is easy to install, maintain and move between bikes.

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

Cadence Magnet for all CatEye computers that record cadence.

The H-34 Flex-Tight Bracket is an OEM handlebar bracket so you can attach Cateye accessories. It fits all handlebars up to 32mm in diameter.

- Dual band Bluetooth and ANT+, magnetless sensor with integrated accelerometer - Quick pairing with CatEye Cycling app (Bluetooth) - Waterproof IPX7 (based on JIS C0920) - Works with Padrone Digital, Padrone Smart+, Padrone Smart* and Strada Smart* *For Padrone Smart and Strada Smart, works in Mirror Mode only

Wheel magnet for all CatEye cycle computers

- Compatible with Super Record, Record, and Athena EPS systems - Required for use with the charger and works with V2 systems - USA/North America plug - adapters required for other countries

EPS chargers and charger accessories specifically designed for charging all Campagnolo EPS batteries. - Required for charging Campagnolo EPS V4 power units - Also compatible with Campagnolo EPS V2 and V3 power units - Power cable sold separately

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 Low Mount to add a Garmin GPS directly to the Blendr stem mount. 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)

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

Keep your computer and sensors ready for every ride with replacement batteries Key features: - CR2032 battery is used for most Trek and Bontrager computers - 23AE battery is used for the Bontrager Interchange Analog Wireless Sensor - LR44 and L1154 batteries are identical and used in Bontrager SpeedTrap Sensor

Bontrager's DuoTrap Digital Speed/Cadence Sensor pulls double duty for your ANT+ cycling computer. It wirelessly transmits speed and cadence data and fits directly into the chainstay of certain Trek bicycles for a clean look that installs in seconds.

Connect ANT+ and Bluetooth Smart devices to all of the data available from the DuoTrap S sensor for your on-the-bike wireless needs. • ANT+ 2.4 GHz and Bluetooth Smart wireless digital speed and cadence sensor • ANT+ and Bluetooth Smart allow simultaneous use of Trip 300 and smartphone • For use with many ANT+ and Bluetooth Smart wireless technology enabled devices • Includes Bontrager wheel magnet, crank cadence band, and CR2032 battery • Works with Trek DuoTrap compatible bikes

Bontrager's SpeedTrap Digital Speed Sensor conveniently plugs into any Bontrager fork with SpeedTrap technology for the ultimate in convenience. And, it wirelessly transmits speed data to your ANT+ cycling computer.