Surly 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 included
Compatible with Surly New hubs (upgrade kit) and Surly Ultra New hubs (replacement kit)
Standard Surly New hubs come stock with 7901 bearings; this kit uses 6901 bearings which are non-angular