From singlespeed sprockets to multiple clusters of between 2 and 8 sprockets, Sheldon Brown explains freewheel variations beautifully here.

Prices do not include postage, contact if you’re interested.

More in stock – including various spacers &sprockets etc – just ask if you can’t see what you’re looking for or are unsure about anything.

All items are in very good used condition unless otherwise stated and are listed in order of price – high to low.