Surly Ultra New Hub Axle Kit for 120mm Rear Fix/Fix Black ModelNumber=31378 The insert divides the inner

The insert divides the inner volume of the tire in half maintaining air underneath the tread and the foam insert next to the rim

Hub/Disc Compatibility 6-Bolt Pad Compatibility All Pad Compounds Rotor Size (mm) 180 Rotor Type One Piece Weight 148

Steerer Type Straight Wheel Mount Center Offset (mm) 0 S

}SRAM Level T Disc Brake and Lever - Rear Hydraulic Post Mount Black A1

Surly Ultra New Hub Axle Kit for 120mm Rear Fix/Fix Black ModelNumber=31378 The insert divides the innerSurly Ultra New Hub Axle Kit for 120mm Rear Fix Fix Black. Surly Ultra New Axle Kits are for upgrading the internals of your existing Surly New hubs or replacing the internals on your Surly Ultra New hubs. Each kit contains an axle two 6901 cartridge bearings two aluminum dust shields two stainless steel cones two stainless steel 6x1mm bolts and two stainless steel bolt washers Axle is quick release and bolt on compatible; bolts included QR is NOT