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Whether cruising through the neighborhood or tackling more challenging trails
Designed for use with 11 and 12-speed drivetrain systems
The old dream-pairing reunited
Upgrade your Trek Boone bike with the IsoSpeed Headtube Cover
12x142 rear
Trek Knock Block Headset Spacers mountain bike tire Whether cruising through the neighborhoodUpgrade your cycling experience with the Trek Knock Block Headset Spacers, available in both 5mm and 10mm sizes to perfectly fit your needs. These spacers are designed to work seamlessly with Trek's innovative Knock Block system, ensuring your handlebars stay aligned and your ride remains smooth and controlled. Crafted with precision, these spacers offer a sleek Trek Black finish that complements any bike aesthetic. Features: Compatibility:
