Zipp Service Course SL Stem - 100mm 31.8 Clamp +/-17 1 1/8" Aluminum Matte BLK B2 keyword search-SW-13 TruVativ Trushift ChainringTrushift middle and

TruVativ Trushift ChainringTrushift middle and outer rings (32T 36T and 44T) feature shift ramps and pins

S Lower EC34 Weight 101 Crown Race 30 Bearing Type Cartridge Color Black S

BPA-free polypropylene

Cast body and lever blade bushing lever pivot

Do not use with a coaster brake or fixed gear

Zipp Service Course SL Stem - 100mm 31.8 Clamp +/-17 1 1/8" Aluminum Matte BLK B2 keyword search-SW-13 TruVativ Trushift ChainringTrushift middle andZipp Service Course SL Stem 100mm 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