Proper Bike Co - Proper K7 Hub - Proper
Proper K7 Hub
The k7 cassette hub is the result of years of refining hubs. This model is the male version, it features the ‘shim system.
The shell is fully CNC’d from 7075, the axle is forged and heat-treated axle for extra strength.
The K7 Cassette is available in left hand or right hand, 36 hole, or 48 hole and comes in 9T as standard.
The k7 cassette uses SKF 6902 axle bearings.