Zipp Service Course SL Stem - 120mm 31.8 Clamp +/-6 1 1/8" Aluminum Matte BLK B2 MFG Part Number-1-C2-CRTDG-V116 48 Drivetrain Speeds 12 Chainring

48 Drivetrain Speeds 12 Chainring BCD 107

54 Bolt Mount Diameter 8

DOUBLE DENSITY FOAM: Firmer on the ischial bones softer on the nose for optimal comfort in every riding position Length 277 Gender/Age Unisex Color Black Rail Material Kium Weight 220

Strength and stiffness

}Zipp Service Course Stem - 75mm 31

Zipp Service Course SL Stem - 120mm 31.8 Clamp +/-6 1 1/8" Aluminum Matte BLK B2 MFG Part Number-1-C2-CRTDG-V116 48 Drivetrain Speeds 12 ChainringZipp Service Course SL Stem 120mm 31. 8 Clamp + 6 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