Surly Ultra New Rear Hub - Threaded x 135mm Rim Brake Fixed/Free Black 32H 9/16'' Compound Organic Backing Plate Material

Compound Organic Backing Plate Material Steel Heat Sink No Pad Shape Number 37

BB Included No Chainline/Hub Compatibility 130 Hubs Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay Chainring BCD 110 Color Black Crank Intended Use Road Crank Length (mm) 170 Defined Color Black Drivetrain Speeds 11 Number of Chainrings Double Pedal Spindle 9/16" Rings 34/50 Rings 50/34 Spindle Interface Type SRAM/Truvativ GXP

Ramped paddle shaped center knobs roll efficiently and provide excellent traction for climbing and braking

Ratcheting system tightens skewers with turns rather than using a cam

Sized to fit rings with an outside diameter of 41 42 43 and 44mm

Surly Ultra New Rear Hub - Threaded x 135mm Rim Brake Fixed/Free Black 32H 9/16'' Compound Organic Backing Plate MaterialSurly Ultra New Rear Hub Threaded x 135mm Rim Brake Fixed Free Black 32H. Surly Ultra New Rear Hubs Non Disc. Axle is quick release and bolt on compatible Stainless 6mm bolts are included; quick release skewer is NOT included 6061 T6 forged hub shell (same as the Surly New); 6901 bearings 4130 CroMoly axle and stainless cones; agressive knurling on cones and bolt caps for reduced slippage New axle cone system uses uses a specific shouldered axle that