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Are all freewheel created equally?(5 posts)

Are all freewheel created equally?cycle_one
Jan 30, 2002 2:54 PM
my freewheel needs replaced on my older commuter bike. can i just purchase any freewheel on ebay and expect it to work? what things do i need to know before buying one? i currently have a sachs seven speed freewheel (12-24) and a suntour superbe pro hub. thanks.
Any 5, 6 or 7 speed freewheel should workStraightblock
Jan 30, 2002 4:19 PM
if you're not using index shifters. Just like cassettes, not all freewheels work with all index shifters. You will probably need to replace the chain, but a 6/7 speed chain should be cheap. If you use a 5 or 6 speed they're narrower than your 7 speed, check the rear derailler limit screws when it's installed so you don't drop the chain off the small cog.

I'd be wary of buying a used freewheel off eBay or elsewhere if you can't see it first. You're relying on the seller's description and reputation, and you could be buying a worn out piece of junk that isn't worth the cost of shipping, let alone the high prices some of the "vintage" stuff gets on eBay.
Any 5, 6 or 7 speed freewheel should workcycle_one
Jan 30, 2002 6:10 PM
but i am using index shifting so does that change anything? i have a shimano 105 rear derailleur. i replaced the chain b/c it was worn which resulted in the chain skipping. it was suggested to me to replace the freewheel since it was probably worn out too.
Any 5, 6 or 7 speed freewheel should workJimP
Jan 30, 2002 6:23 PM
If you want the index shifting, you need to have a shimano 105/ultegra compatable freewheel. Is your freewheel shot or is it just a couple of cogs? Your LBS may have cogs that you can put on the freewheel to fix that problem.
Best bet is a new Sachs freewheelStraightblock
Jan 31, 2002 9:16 AM
Some of the early Shimano freewheels were made in the pre-index days and won't be SIS or STI compatible. New Shimano freewheels are still available from a few places, but prices are sky high.

Prices vary a lot, but some of the mail order places have the Sachs freewheels for about $35. Since that's what you had before, you know that will work.