TREK KNOCK BLOCK 72-DEGREE HEADSET UPPER ASSEMBLY WITH DISPL Size:Steerer OD = 28.6 mm (1-1/8") / Spacer Thickness = Not applicable Features a wide range of

Features a wide range of adjustment to dial in your fit

The TREK FARLEY C FRAMESET 2023 is the ultimate fat bike designed for maximum speed and exhilarating fun

With virtually zero pedal kickback

this fan is a must-have for serious cyclists looking to elevate their training experience

The Fuel EX 8 is a dialled trail bike for riders who chase down rowdy descents and want a bike that's happy to pedal back to the top and do it again

TREK KNOCK BLOCK 72-DEGREE HEADSET UPPER ASSEMBLY WITH DISPL Size:Steerer OD = 28.6 mm (1-1/8") / Spacer Thickness = Not applicable Features a wide range ofService and replacement parts specifically for Trek Knock Block technology.