Zipp Service Course SL Stem - 90mm 31.8 Clamp +/-17 1 1/8" Aluminum Matte BLK B2 Model=XTR FC-M9120 Crankset Bit Size 2

Bit Size 2

The anti-fog and ripel treatments help keeping fog dirt and grime off your lenses and makes water pearl off

Built in gauge to easily and accurately identify outside and inside diameter of sealed bearings

The Race Face Atlas crank is the burliest alloy CINCH offering

Zipp Service Course SL Stem - 90mm 31.8 Clamp +/-17 1 1/8" Aluminum Matte BLK B2 Model=XTR FC-M9120 Crankset Bit Size 2Zipp Service Course SL Stem 90mm 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