Zipp Service Course SL Stem - 80mm 31.8 Clamp +/-17 1 1/8" Aluminum Matte BLK B2 Model=Torque Control Tool The Shimano 105 BR-CX50 cantilever

The Shimano 105 BR-CX50 cantilever brake caliper has increase mud clearance and a low profile design thats perfect for cyclocross events

Stiff wide straps do not need toe clips

Designed for flat mount disc brakes

The Shimano Tiagra ST-4700 dual control lever features Reach Adjust and and an ergonomic form that is compatible with 10-speed drivetrains

Zipp Service Course SL Stem - 80mm 31.8 Clamp +/-17 1 1/8" Aluminum Matte BLK B2 Model=Torque Control Tool The Shimano 105 BR-CX50 cantileverZipp Service Course SL Stem 80mm 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