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

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

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

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

With an extra battery on board, you have the flexibility to extend your ride. The FAZUA Battery Bag was developed in cooperation with the experts from evoc for carrying the FAZUA 250 and 250x battery. It attaches to the frame with a few simple straps. The three fixation points hold it tightly to the frame preventing sway and bouncing. - Carries all available batteries of the FAZUA Ride 50 Evation product family and additional gear - Hypalon reinforcement material protects the frame and internal padding protects the battery - Two straps with buckles and a 3rd with hook and loop fastener securely hold the back to the frame - Highly abrasion-resistant and water repellent material with roll closure keeps the battery secure - Welded seams and water-repellent tape construction Specifications: - Number of Compartments: 1 - Top Tube Length: 12.2-inches - Seat Tube Length: 3.2-inches - Width: 3.2-inches - Volume (In3): 79 - Volume (L): 1.3 - Total Volume: 80 - Primary Material: 10% Polyester/ 70% TPU/ 20% Nylon - Weight: 140 - Waterproof: No

The Shimano STEPS SC-E7000 Cycle Computer display unit provides expanded communication for bicycle data and is compatible with STEPS components - Computer can be customized through E-Tube Project application with smartphone and tablet - The low profile design is well-suited for mountain biking - Includes a 1.39" LCD display - 4 E-Tube ports

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

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

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

KMC's digital ChainChecker is the most accurate tool for checking your chain’s elongation. - Measures up to 2.5mm elongation - Fits all chains including 11 speed - Handy electronic device - Stainless hardened metal body