Surly Ultra New Disc Rear Hubs.
6061-T6 forged hub shell (same as the Surly New); 6901 bearingsAxle is quick release and bolt-on compatibleStainless 6mm bolts are included; quick release skewer is NOT included4130 CroMoly axle and stainless cones; agressive knurling on cones and bolt caps for reduced slippageNew axle/cone system uses uses a specific shouldered axle that allows the hubs to be completely adjustment free and simple to service
| Color |
Black |
| Flange Diameter, Left |
58 |
| Skewer Included |
No |
| Rear Axle |
10x1 Threaded x 135mm |
| Flange Diameter, Right |
58 |
| Cassette Body Type |
Threaded Standard 1.37" x 24tpi, Threaded Track |
| Center to Flange, Left |
34 |
| Bearing Type |
Sealed Cartridge |
| Weight |
376, 378 |
| Center to Flange, Right |
38.5 |
| Spoke Interface |
J-Bend |
| Defined Color |
Black |
| Hub Drilling |
32 |
| Hub/Brake Compatibility |
6-Bolt Disc |