Zipp Service Course Stem - 105mm 31.8 Clamp +/-25 1 1/8" Aluminum Blast BLK B2 Fits Model-Chorus Spring Weight 300 Material Aluminum

Spring Weight 300 Material Aluminum Stroke (ins) 3

Tubular 4130 CroMoly construction

Tooth Count 46 Round or Oval Round Drivetrain Speeds 11 Drivetrain Speeds 10 Drivetrain Speeds 9 Direct Mount Type Direct Mount CINCH Defined Color Black Ring Position/Type Single Ring Position/Type Chain Retaining Single Ring Chainring BCD Direct Mount CINCH Color Black Material Aluminum Material Aluminum Chainline/Hub Compatibility 130 Hubs Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay Chainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm Chainstay

With full bead-to-bead tread wrap cuts and punctures are dramatically reduced and are reinforced with the anti-puncture layer inside the casing

The spoke holder brackets were spaced incorrectly

Zipp Service Course Stem - 105mm 31.8 Clamp +/-25 1 1/8" Aluminum Blast BLK B2 Fits Model-Chorus Spring Weight 300 Material AluminumZipp Service Course Stem 105mm 31. 8 Clamp + 25 1 1 8" Aluminum Blast Black B2. The Zipp Service Course stem delivers all you look for in a high performance stem strength stiffness reliability a precise fit and great visual look. The SC stem offers a new faceplate and body design for greater stiffness and easier installation at a price that meets any riders budget. Forged AL 6061 Machined and relieved faceplate Features stainless steel hardware with