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

Whenever and wherever your adventure takes you, it's sure to be one you embark on with your smartphone. The Cruzen Universal Bike Mount is the most complete mounting solution for attaching a smartphone to your bike on the market. Whether you're bombing mountains on your downhill bike, CRUZEN the boardwalk on your beach cruiser or running with your jogger/stroller, the X-Grip handlebar mounting kit is guaranteed not to disappoint. But don't take my word for it. - Bar Mount - Stainless Steel Hardware - Cruzen Logo Friction Pad - 2 Spare Replacement Tips - Circular Rubber Spacer - Rubber Shim for thinner bars - Tether: For use on rough terrain.

Connect your PC to CycleOps VirtualTraining.

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

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

Replacement plastic insert kit for K-EDGE Wahoo Mounts. The co-polymer insert for Wahoo 1/4-turn style computers is a replaceable item. While it is extremely strong, it is designed to fail on a significant impact before the tabs on the back of the Wahoo break. Attributes (specs): – Qty 1 – K-EDGE Co-polymer Insert for Wahoo 1/4 Computer (Part No. K13-1604) – Qty 2 – M3 x 0.5mm x 6mm with Pre-Applied Nylon 180,18-8 S.S. Screws

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.

The Bosch Purion is a minimalist on-board computer designed for anyone who wishes to focus on the most important information and prefers an uncluttered handlebar. The Purion displays the essentials and lets riders get all important information with a click of the thumb, while keeping hands on the handlebars. Five different riding modes provide just the right amount of assistance in every situation. - Manages four levels of assist from Eco to Turbo, with an eMTB mode specially designed for the Performance Line CX Drive system - Features include charging status, speed, riding mode, range, trip distance and total distance

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

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

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

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

Get more data from your rides with the Bontrager Interchange digital combo speed and cadence sensor. This ANT+ 2.4 Ghz is designed to work with Bontrager Node wireless computers. It also works with many other ANT+ enabled devices. Sensor adjustment is easy with the adjustable arm. • 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 • Independently adjustable arm for precise alignment of speed and cadence sensors • Includes Bontrager wheel magnet and crank cadence band • Includes silicone mounting strap to fit most chainstays and CR2032 battery • Visit www.thisisant.com/directory/ for compatible ANT+ devices • Visit www.bluetooth.com/pages/bluetooth-smart-devices.aspx for compatible Bluetooth devices

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

The adapter puck is required for mounting Wahoo 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 Wahoo Adapter Puck for secure mounting of your Wahoo head unit. Blendr is an elegant, integrated accessory mounting solution - For use with Wahoo head units and Pro Blendr Alloy Computer Mount - Removable design alloys quick and easy adapter puck replacement

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.

Handlebar computer mount for Garmin/Wahoo for Vuka Shift AXS

Wahoo USB ANT+ dongle Kit connects KICKR, KICKR SNAP and other ANT+ enabled devices to a Mac or PC. The 3-foot extension cord extends the USB ANT+ transmitter away from the computer and towards the connected device to avoid signal interference.

Our patent-pending integrated mount for the ELEMNT ROAM GPS bike computer is made of durable, lightweight plastic. It also comes with an optional locking screw that is UCI-compliant for connecting your ELEMENT ROAM to your bike for weigh-ins. - Fits 31.8mm round bars - Weight: 1.55 oz (44g) - Works exclusively with ELEMNT ROAM

Our stem mount for Wahoo ELEMNT GPS bike computers is made of lightweight, durable plastic and is a great solution for cyclists who prefer to keep their computer on top of the stem. - Fits any stem - Weight: 0.2oz - Works with ELEMNT, ELEMNT ROAM, ELEMNT BOLT, and ELEMNT Mini Note: BOLT loses aerodynamic advantage with this mount)

The Wahoo RPM cadence sensor is your sleek little solution for measuring cycling cadence data. It is wireless, magnet-less, lightweight, and easily mounts to your bike's crank arm or to your shoe. Bluetooth Smart and ANT+ dual band technology allows you to connect to and display data on both smartphones and GPS bike computers. Collecting cadence data has never been this easy. - Both ANT+ and Bluetooth Smart capabilities allow for a wireless connection to both smartphones and bike computers. - No tangled wires on your bike to connect the sensor to your device. - It only weighs 7 grams! - Provides accurate cadence data during your ride - (1) mount with double sided 3M tape, or (2) use the silicone sleeve and mount with zip ties. - The RPM can be worn on your shoe for spin classes or use with multiple bikes - Two LED lights show the sensor's device connection (blue) and cadence detection (red) - No charging required! Operates on a coin cell battery for up to 1 years. - RPM cadence sensor will fit with most bikes and frame sizes

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

Enjoy easy viewing with the Butler Out Front handlebar mount! Out Front Mount for following models: BC 1909 STS BC 2209 STS ROX 5.0 ROX 6.0 ROX 8 ROX 8.1 ROX 9 ROX 9.1 *Note: not for use with ROX 10.0

- Di2 internal battery, fits all e-Tube Di2 groups - Capacity: 500 mAH (± 2000km) - Use with EW-WU101 or SC-MT800 interfaces/junction to gain BlueTooth Smart wireless connectivity for on-the-fly adjustments with smartphones and tablets - Requires SM-BCR2 charger

The new DN300 Built-In type battery features the same waterproof design that Di2 users have loved for generations. Now with 3 ports, it delivers stable power to Shimano's 12-speed road derailleurs (and shifters if a fully wired option is selected). - Compatible with thinner next-generation electric wire SD300 and systems after R9250/R8150 series - Li-Ion type - Capacity: 500 mAH |3.7Wh (± 2000km autonomy) - Rated voltage: 7.4V - Charges through RD-R9250 |RD-R8150 rear derailleur using EW-EC300 Di2 Charging Cable (sold separately) - Fixing small parts included - Weight: 52g

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