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

For optimal functionality. - Not Bosch Smart System compatible - Designed for Rail Gen 2 frames - Refer to Service Manual for assembly instructions and service

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

Easily mount a cell phone and case directly to your bars for safe convenient access with the Insta-Mount and keep all of your favorite cycling and fitness apps safely accessible. • Mount your hard-shell smart phone case to your bike • Allows for easy access of phone on stem or handlebar • Includes Insta-Mount, universal mount, and application grid • Blendr-compatible

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

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

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

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 6mph

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)

Pro Blendr is the ultimate computer integration system for clean and easy installation, made from durable alloy. - Blendr is an elegant, integrated accessory mounting solution - Alloy design provides clean and secure mounting of computers - Adapter pucks available for Wahoo and Garmin computers (sold separately) - Compatible with all Blendr bases - Attach your Garmin tether for an additional layer of security

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

EPS cable kits come in multiple options that allow for the mounting of the power unit beneath the bottom bracket or beneath the saddle. - Weathertight o-ring sealed connectors - Fitting the V4 internal interface to the handlebar (only right-hand side) requires two cablings - 1 cabling from the interface to the Ergopower controls, and 1 cabling from the interface unit to the power unit - 100mm from the interface unit to the splitter - 340mm from the splitter to the right-hand side Ergopower control - 1300mm from the splitter to the left-hand side Ergopower control - 800mm from the interface unit to the power unit

The EPS Power Unit is the systems source of power as well as the "brain" of the system, responsible for managing the battery pack, enabling and monitoring the front and rear derailleurs and communicating with the Interface Unit. - Weathertight, o-ring sealed connectors - Lithium Ion battery duration: 500km/month - 1500km, 1000km/month - 1800km, 2000km/month - 2000km - Water proof to 1m for 30 minutes (IP67 Rated) - Operational temperature: -4F to 140F - Charging temperature: 32F to 113F - The V4 power unit features 10% better battery duration - 16.6mm diameter for easy seatpost installation - 259mm length

Stay ahead of the pack with Garmin's Extended Out-front Bike Mount that lets you to take full advantage of your Edge's capabilities without compromising your ride. The mount positions your device for easier monitoring and safety. Also compatible with the Forerunner 910XT and 310XT when used with a quick-release kit (sold separately).

Quickly and easily swap your Bontrager or Trek cycling computers and wireless sensors between bicycles without tools with these silicone mounting straps. Large and small sizes ensure proper fit on most forks. • Designed for Bontrager and Trek analog wireless computers • Interchange analog wireless sensor installs and removes in seconds without tools • Interchange sensor includes both L and S silicone mounting straps to fit most forks • Batteries can be found in computer accessories

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 SRM Mount for a clean, flush look that places your SRM Head Unit exactly where you want it. Key features: - Blendr is an elegant, integrated accessory mounting solution - Provides clean and secure mount for SRM head unit - Works with any Blendr-compatible stem and the accompanying base - For use with Blendr bases (Pro, XXX, XXX bar/stem, and select Elite bases)

Stay ahead of the pack with Garmin's Out-front Bike Mount that lets you to take full advantage of your Edge's capabilities without compromising your ride. The mount positions your device for easier monitoring and safety. Also compatible with the Forerunner 910XT and 310XT when used with a quick-release kit (sold separately).

THE NEW ITALON ULTRA IS A FORGED ALUMINUM MOUNT FOR THE NEW TALON ULTRA HANDLEBAR. It is compatible with Garmin, Wahoo and Polar devices. In the underbelly, you can install a MOST headlight, or a camera for spectacular "on board" shooting.

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

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.

SRAM eTap batteries are literally a snap to remove and charge. Just flip the tool-free battery latch up and slide the battery up and out of the derailleur. Then snap the battery into the USB powered charger and connect the charger to any USB power source or A/C USB adaptor. A full charge takes just 45 minutes to complete. - Finish: Black - Compatibility: SRAM RED eTap

Our most advanced wireless headphones yet, engineered for premium sound and a long-lasting battery to keep you aware & motivated to power through any workout. Open-Ear Design—Patented bone conduction headphones deliver premium audio through the cheekbone. Unlike over ear headphones, Aeropex keeps you connected and aware of your surroundings. - Lightweight & Comfortable—Experience unmatched comfort with our most lightweight and comfortable sport headset, featuring a bud-free, pain-free design for all-day listening. 8th Generation Bone Conduction Technology - Eight Hours of Music & Calls—Enjoy 8 continuous hours of music or podcasts, plus dual noise-canceling mics for crystal clear calls with our wireless Bluetooth headphones. - IP67 Waterproof Rating—Completely sweat and waterproof earphones for workouts, fitness and running. Moisture detection alert included for safe charging. (Not suitable for swimming) - Exclusive Sport Pack—Includes Aeropex bone conduction headphones and sport belt to keep you hands-free in style.

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

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

In conjunction with the EPS Power Unit, the Interface is the "thinking" center of EPS and is responsible for on board diagnostics, managing settings, converting analog signal from Ergo Levers to digital and sending it on to the Power Unit maintaining a dialogue with the Power Unit. - Can be fit to the right-hand side (only on the right-hand side) of compatible handlebars or on the down tube of compatible frames - 2 connectors on the rear side - one to connect to the power unit (gray), and one to connect to the Ergopower controls (orange) - FD/Shifter Compatibility: EPS

Genuine Bontrager cycling computer mounting accessories and replacement parts. - Ensure your computer stays properly in place. Replacement adapter for the Insta-Mount system - Universal mount permanently attaches to the back of your phone or other device - Use with Bontrager Trip mount for seamless Blendr capability

Profile Design's UCM Universal Computer Mount provides a convenient 25mm 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.

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 - Compatibility: Wahoo Bolt - Fits Handlebars: 31.8MM - NOT GoPro Interface Compatible - Anodized Color: Black Please contact K-EDGE warranty manager Info@K-EDGE.com for questions or concerns. We highly suggest you follow the recommendations in the Sigma instructions that recommend use of the provided tether leash.

This handlebar bracket has been developed so you can attach a tablet to your handlebars. The design provides a safe distance so that no sweat falls on the screen while you are training. - Suitable for handlebars with a diameter ranging from 26mm to 35mm - Adjustable to different tablet sizes: length 182-267mm, width 112-197mm, max. thickness 13mm

The adapter puck is required for mounting Garmin head units to the Pro Blendr Alloy Computer Mount. - Start with a Blendr stem, add the appropriate base, and finish with Pro Blendr Alloy Computer Mount and Garmin Adapter Puck for secure mounting of your Garmin head unit. Blendr is an elegant, integrated accessory mounting solution - For use with Garmin head units and Pro Blendr Alloy Computer Mount - Removable design alloys quick and easy adapter puck replacement - Attach your Garmin tether for an additional layer of security