Surly Ultra New Rear Hub - Threaded x 135mm 6-Bolt Fixed Black 32H 525 LB Includes 3-spline 18 tooth cog

Includes 3-spline 18 tooth cog and a TSS33 twist shifter

A secondary chamber can be manually pressurized and the stainless steel foot-lever releases the compressed air

and profiled to mate perectly with your crankset for a clean

2 stainless steel keys plus Key Safe Program for replacement keys

6061 aluminum hub shell with 13/32" slotted solid axle (175mm overall axle length)

Surly Ultra New Rear Hub - Threaded x 135mm 6-Bolt Fixed Black 32H 525 LB Includes 3-spline 18 tooth cogSurly Ultra New Disc Rear Hubs. 6061 T6 forged hub shell (same as the Surly New); 6901 bearings Axle is quick release and bolt on compatible Stainless 6mm bolts are included; quick release skewer is NOT included 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 allows the hubs to be completely adjustment free and simple to service Color