The World's Largest Online Bike Store
  • Proper K7 Cassette Hub - Male
  • Proper K7 Cassette Hub - Male

Currently unavailable

We don't know when or if this item will be back in stock.

The hub has a CNC'd aluminium hub shell, heat treated hollow cr-mo axle and a 9t cassette driver with ceramic shims instead of bearings for better durability. 


  • This model features the 'shim system' that we developed to replace driver bearings (all but eliminating the possibility of failure), CNC 7075 shell
  • Forged and heat-treated axle
  • Ceramic driver bearing
  • SKF 6902 axle bearings
  • 9t as standard
  • Weight: 369 grams/ 13oz
Rated 4.3 out of 5 by 3 reviewers.
Rated 3 out of 5 by Do you have LHD Dark Gold of this hub? 23 January 2013
Rated 5 out of 5 by LOvE iT!! Nice sound..Its strong.. And it looks good!! awsam hub for street..love it.. 01 November 2012
Rated 5 out of 5 by Sick Hub. GET IT! Seriously Kids. Why bother and get those Profile hubs? These hubs cost half less and sound TWICE as loud than a Profile hub. This hub is just amazing in every way you look at it and ride it. PROPS TO PROPER FOR SUCH AMAZING PRODUCT! Profile's Got Nothing On Proper's For Sure! 27 October 2012
1-3 of 3