Surly Ultra New Rear Hub - Threaded x 135mm 6-Bolt Threaded Black 32H MFPN=DLM4503.8300.OS0.BX The rear rim has been

The rear rim has been optimized for power transmission tracking and durability

Wahoo and Bryton

Improve shifting accuracy with a new derailleur hanger

2 Cable Routing Internal Defined Color Black Clamp Style Std Rails Offset (mm) 0 Travel 100Mm

4 Flange No Lock On Yes Shape Ergonomic Color Yellow Mellow Weight 115 Defined Color Yellow Size Large

Surly Ultra New Rear Hub - Threaded x 135mm 6-Bolt Threaded Black 32H MFPN=DLM4503.8300.OS0.BX The rear rim has beenSurly 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