• In the early 1980s 6 speed cassettes, mounted on freehubs, began to replace the screw-on freewheel cluster – fast forward 35 years and 10, 11 and even 12 speed cassettes are now standard on modern bike drivetrains.  Sheldon Brown explains the system in more detail here.
  • Prices do not include postage, contact me if you’re interested.
  • I have more in stock – including various freehubs, freehub spacers, more lockrings – just ask if you can’t see what you’re looking for or are unsure about anything.
  • All items are are in very good used condition unless otherwise stated, and are listed in order of price – high to low.