Zipp Service Course SL Stem - 70mm 31.8 Clamp +/-17 1 1/8" Aluminum Matte BLK B2 MFPN=00.4118.139.002 under your 3 outside knuckles

under your 3 outside knuckles

} USB ANT+ Stick

Frame Mount Width 25 Bolt Mount Diameter 8

Wrap your Zipp bars in style with Service Course handlebar tape

The SL Sprint comes with its own stem cap that’s designed to be aerodynamically efficient by blending into the stem body

Zipp Service Course SL Stem - 70mm 31.8 Clamp +/-17 1 1/8" Aluminum Matte BLK B2 MFPN=00.4118.139.002 under your 3 outside knucklesZipp Service Course SL Stem 70mm 31. 8 Clamp + 17 1 1 8" Aluminum Matte Black B2. The Zipp Service Course SL Stem crafted from 7075 aluminum features a shape thats 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