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7 speed cassette on Newer 8 speed Shimano Hubs- Help?(4 posts)

7 speed cassette on Newer 8 speed Shimano Hubs- Help?grande
Aug 27, 2003 4:43 PM
I found an old Schwinn Worldsport bike at the dump's swapshop. The chain, cables and cassette were rusted and the rear was trashed. Its a 7 speed bike (well, just shifters left) I was looking at nashbar and they have some cheapie wheelsets for this beater/commuter to be.

Nashbar states that 2 wheelsets w/ RM40 Hubs are 7sp casstte compatable w/ an adapter. For the Wheels w/ 2200 Hubs it doesnt mention one way or another. Anyone know it this sort of adapter work for all 8 speed hubs? Its basically a 4.5mm spacer. Any ideas?

Links
http://www.nashbar.com/results.cfm?subcategory=1197&category=131&browse=&storetype=&estoreid=&brand=&searchbox=&start=11&orderby=
Sounds like your getting ready to open a can of worms to me! nmthe bull
Aug 27, 2003 5:35 PM
yeah,but.....Rusty Coggs
Aug 27, 2003 7:28 PM
with shimano 8/9 speed hubs the 4.5mm spacer allows a 7 speed shimano cassette to work on them.Now the worms are out.HeeHee.
re: 7 speed cassette on Newer 8 speed Shimano Hubs- Help?scary slow
Aug 28, 2003 12:12 PM
I used to run a 7 speed cassette on an 8 speed wheel, no problem. You just need a spacer to take the place of the 8th cog and reset the limit screws on the derailuer. The only problem you may have is that the width of an 8 speed hub is greater than a 7 speed hub. If the frame was orignally designed for 7 speed then you'll have to spread the frame a little.