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Fit and stability adjustments are fast and easy with the Roc Loc® Trail Air fit system
Minimal need
By blending advanced wax and polymer technology
the dual-density Comp inForm Chamois offers sit-bone comfort and helps reduce soreness and chaffing throughout your ride
The waterproof Xnetic H2O Socks can be worn with nearly any cycling shoe
Trek Knock Block Headset Assembly with Display Chip eb12_900_00c Fit and stability adjustments areTrek proprietary headset components compatible with Trek Knock Block models 58 degree headset fits all 2017 2020 Knock Block equipped models Includes crown race, bearings, top cover, frame chip & fastener Frame chip has display tabs to connect Bosch Kiox Mount sold separately Must be paired with Knock Block stem and Knock Block spacers Knock Block headset spacers not included