Proper K7 Male Cassette Rear Hub (LHD)
| Brand | Proper Bike Co. |
|---|
This is the result of years of refining hubs. This model features the 'shim system' that Proper developed to replace driver bearings (all but eliminating the possibility of failure).
Features
- CNC 7075 shell.
- Forged and heat-treated axle
- Ceramic driver bearing
- SKF 6902 axle bearings,
- Weight: 369 grams/ 13oz.