Zipp Service Course SL Stem - 70mm 31.8 Clamp +/-6 1 1/8" Aluminum Matte Black B2. The Zipp Service Course SL Stem crafted from 7075 aluminum features a shape that’s strong and lightweight resulting in a 1.85 grams per newton meter of stiffness. That results in no-flex sprints and accelerations.
Machined and relieved faceplate
Features titanium hardware with TORX heads on all bolts for precision torque readings and ease of adjustment
- TECH SPECS
|Stem Angle (deg)||+6|
|Stem Angle (deg)||-6|
|S.H.I.S. Stem Clamp Diameter||28.6|
|Bar Clamp Diameter (mm)||31.8|