Zipp Service Course Road Headset Model=2x These cassettes are optimized for

These cassettes are optimized for off-road and feature PowerGlide II shift technology for smooth and positive shift performance with minimal additional weight

description disc brake piston press compatibility all disc brakes

Designed to be used with Eagle 12-speed components

compatible with BBs that use two external cups

Zipp Service Course Road Headset Model=2x These cassettes are optimized forZipp Service Course Stem 90mm 31. 8 Clamp + 25 1 1 8" Silver. The Zipp Service Course stem delivers all you look for in a high performance stem strength stiffness reliability a precise fit and great visual look. The SC stem offers a new faceplate and body design for greater stiffness and easier installation at a price that meets any riders budget. Forged AL 6061 Machined and relieved faceplate Features stainless steel hardware with TORX heads on all