Gone, but not forgotten
Join Date: Jul 2002
Location: Newtonville, Massachusetts
Bikes: See: http://sheldonbrown.org/bicycles
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Originally Posted by C3po
I currently have a 13-34 7 speed Shimano Mega 7 Freewheel, and the
smallest cog is a bit worn. I also find the smallest (highest) cog a
bit low, leaving me spinning but not englaging on some downhills. If I
invest in a new 11-34 Shimano Megarange Frerewheel, will I have any
problems with the existing chain / front crankset?
Also, is it possible to change single cog wheels on such a freewheel,
rather than replacing the whole freewheel?
If the sprockets are worn, the chain is definitely toasted. You will
certainly need a new chain. Shouldn't be any issue witth the cranks.
> Also, is it possible to change single cog wheels on such a freewheel,
> rather than replacing the whole freewheel?
No, not possible, the replacement parts are not available. Also, the
11-34 is a totally different mechanism than that used in the 13-34.
Shimano had to completely re-invent the freewheel to get an 11 to work.
The result is the finest freewheel ever made, and it's dirt cheap!
Sheldon "Seven Come Eleven" Brown