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

SRAM Force eTap AXS 2x12 wireless electronic drivetrain

This cutting-edge frameset is designed to provide you with all the features you need to take your cycling to the next level

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

giving you a light and responsive ride that is perfect for tackling even the toughest trails

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+.