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

The Soft cleaning brush can be used as a univeral do it all brush

Color Black/Silver Drivetrain Speeds 7 Shifter Style Trigger

Sipacaz Hollow SupaSpacers are lighter than even carbon and are fully CNC’ed

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