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 MSW Computer Spoke Magnet is designed to fit round and bladed spokes of various diameters. - Tool-free installation - Alloy construction - Fits round and bladed spokes

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

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.

- Multi use clamp attaches to almost anything for hands free use of Tablet - Can be used with trainers and spin bikes - Holds iPad Mini, Kindle Fire, Nexus 7, Samsung Galaxy 7 - Includes touch screen friendly splash-proof bag - Universal clamp attaches to all round bars up to 1" diameter - Instant removal and installation of device - Neat rubber bumpers grip and help cushion device - Mini-Tablet Holder max dimensions: - Holds devices with max dims 8.6 x 5.5 x .625 | 220 x 140 x 15mm (H x W x D)

CatEye's Out Front Bracket frees up your handlebars and positions your favorite CatEye computer just in front of your stem for optimal viewing and accessibility.

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

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

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

Key features: - Replacement strap for Bontrager Heart Rate Belt - Perfect option when the strap loses stretchiness or gets funky - Not compatible with other heart rate monitors

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

Aerodynamic dual-bottle BTA hydration system that features a dynamic, multi-position computer mount to accommodate your changing needs. Raise the computer mount up to tuck in a refill bottle for race day, or lower it down for a standard bottle while maintaining the optimal view for training days. - Telescoping Garmin mount features on-the-go tilt adjust to avoid glare. - Zero-leak design with a sealed viewing window to easily monitor liquid levels, and a leak-free Dolphin Breather Valve that lets air in but doesn't let water out. - Capacity: 26oz (768 mL) - Material: Plate: 6061-T6 Aluminum - Cage: Nylon Composite Vee Cage - Computer Mount: Nylon Composite - Bottle: Lead free, BPA-Free and HDPE food safe certified bottle - Brackets: Nylon composite with Velcro straps coated with no-slip extension grip - Adjustment Width: 75-150mm - Weight: 9.3oz (265g)

Gain more room or find the perfect position for lights, computers, music players, GPS, or whatever, with the Topeak BarXtender. Attaches securely to the handlebars or stem and adjusts for optimum position. - Clamp: Fits 22-38 mm tubes (shims included) - Crossbar: Device mount bar 25.4 mm - Material: Engineering Grade Plastic and Steel - Mount: Handlebar, Handlebar Stem - Size (L x W x H): 18 x 3 x 3 cm, 7.1” x 1.2” x 1.2” (folded) - Size (L x W x H): 13 x 10 x 3 cm, 5.1” x 3.9” x 1.2” (open) - Weight: 116 g / 4.08 oz

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

• Fits head & derailleur tubes to mount accessories on a USS (under-seat steering) recumbent

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

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 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.

The QuickView was designed to put the Garmin Edge Computer out in front of the stem. Fits Garmin 605 and 705. - Glass-filled nylon, stainless steel Torx T25 bolt - Weight: 20g

- Shift buttons mounted to the end of a bar plug - Included wire connects to Blip Box - Fits bars with 19 - 20.5mm inside diameter

Be it the fireworks of a finale, an ideal rhythm, climbing on the top, or a deep, dark place extracting the last kilojoule of effort on your bike split, you want to adjust your gear with the twitch of a finger. eTap Blip satellite shifters allow you to shift when you want, where you want. - Limitless remote shifting positions for drop and aero bars - Wired shift buttons can be positioned however the rider prefers - Connect to Blip Box or drop bar eTap levers - Compatible with SRAM RED eTap shift/brake controls

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

- Use to keep Blips in place on handlebars - Fits 31.8mm round portion of drop bar - Clamp mounts directly to bar outside of tape zone - Ideal for use with thumbs or index fingers while hands are on the tops - Right and left specific, just like Blips - Weight: 12 grams (for pair) - Material: Polypropylene - Compatibility: 11-speed - Recommended Group: SRAM RED eTap

This mount integrates with your Quick-Release Aerobars by attaching directly to one of the aerobar handlebar clamps and provides and out-front section of bar for attaching computers or other accessories. Benefits: - Positions your computer for easy viewing in road or aero riding positions - Stays attached to your bicycle when aerobars are removed Details: - Provides two mounting heights and 3 positions to fine tune your computer's position - Integrates with the optional Water Bottle Mount, putting all your essentials at your fingertips - Includes all necessary mounting hardware