TREK SESSION 1-DEGREE HEAD ANGLE HEADSET CUPS Size:Steerer OD = 28.6 mm (1-1/8") / Spacer Thickness = Not applicable this fan is a must-have

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

The exceptional comfort and versatility of the SPEEDPLAY COMP road pedal derives from its confidence-inspiring and stable platform

The new ERG Easy Ramp feature makes getting back into the action quick and easy

making it easy to clean and maintain

A combination cable lock that provides basic protection with 10mm thickness

TREK SESSION 1-DEGREE HEAD ANGLE HEADSET CUPS Size:Steerer OD = 28.6 mm (1-1/8") / Spacer Thickness = Not applicable this fan is a must-haveService and replacement parts specifically for Trek Session Carbon 2018+.