Wolf Tooth Ultralight Stem Cap with Integrated 5mm Spacer - Black CheckoutTitle=Shimano Dura-Ace FC-R9200 Left Crank Arm - 170mm MoCo (MotionControl) / MiCo (MissionControl):

MoCo (MotionControl) / MiCo (MissionControl): XX (XLoc hydraulic remote compatible)

All steel cogs

Weighs only 14oz

Anodized crank arms for extra durability

Wolf Tooth Ultralight Stem Cap with Integrated 5mm Spacer - Black CheckoutTitle=Shimano Dura-Ace FC-R9200 Left Crank Arm - 170mm MoCo (MotionControl) / MiCo (MissionControl):Wolf Tooth Ultralight Stem Cap with Integrated 5mm Spacer. Its a stack spacer. Its a top cap. Its both! The Ultralight stem cap is designed specifically for carbon steerers that require that the steer tube extend above the stem. 1 1 8" top (straight 1 1 8" or 1 1 2" to 1 1 8" taper) steerer tubes only Light weight and durable