Surly Ultra New Hub Axle Kit for 120mm Rear Free/Free Black ModelNumber=J2921 7075-T6 aluminum | 6061-T6 aluminum

7075-T6 aluminum  |  6061-T6 aluminum  |  303 stainless steel

Misc 1/2˝ square drive Bottom Bracket Type BB-9000

Color Black TPI 60 Weight 1100 Weight (oz) 39 Defined Color Black ISO Width (mm) 65 ISO Diameter 622 / Road / 29" Tire Intended Use Mountain Tire Diameter 29" Tire Bead Folding Labeled Size 29 x 2

Thick thin tooth design for maximum chain engagement

Resolve Resolve Description Travel Adjust Kit Fluid Type Refill Fluid (2Oz)

Surly Ultra New Hub Axle Kit for 120mm Rear Free/Free Black ModelNumber=J2921 7075-T6 aluminum | 6061-T6 aluminumSurly 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