Micro Adjustable Headset Spacer. 12mm Height gravel wheels the Propero 4 represents meticulous

the Propero 4 represents meticulous attention to detail

Get training guidance by syncing structured indoor or outdoor workouts to your device from Garmin Connect or other apps (when paired with a compatible smartphone)

This combination also helps to initiate corners

VaporRize™ fabric is made from our most breathable

Compatible with commonly used dropper seat posts

Micro Adjustable Headset Spacer. 12mm Height gravel wheels the Propero 4 represents meticulousThe Problem Solvers adjustable spacer installs between the stem and headset to adjust bearing preload. Great for custom fitting where you need to fine tune the stack height before cutting the steerer tube or installing a star nut