Zipp Service Course SL 150mm Alloy Road Bike Stem - Lightweight, Machined Aluminum, +6/-6 Angle Length_150cm Constructed from high-quality butyl rubber

Constructed from high-quality butyl rubber

this high-performance valve adapter ensures a secure fit and reliable operation during every ride

but not approved for hookless rims

this 26mm stem fits standard 26

Zipp Service Course SL 150mm Alloy Road Bike Stem - Lightweight, Machined Aluminum, +6/-6 Angle Length_150cm Constructed from high-quality butyl rubberThe Zipp Service Course SL Stem, crafted from 7075 aluminum, features a shape that strong and lightweight, resulting in a 1. 85 grams per newton meter of stiffness. That results in no flex sprints and accelerations. Forged AL 7075 Machined and relieved faceplate Features titanium hardware with TORX heads on all bolts for precision torque readings and ease of adjustment