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Shimano Cassette Sizes(5 posts)

Shimano Cassette SizesStevieP
Aug 6, 2002 7:25 AM
What is the largest cassette you can get on shimano (road)
as 9 speed? I am looking for a low gear to ride Etape next year.
Is shimano compatiable with Campag?
re: Shimano Cassette SizesChen2
Aug 6, 2002 8:05 AM
In stock form the 12-27 is the lowest geared Shimano 9-speed road cassette available. Shimano cassettes are not compatible with Campagnolo shifters unless they are re-spaced. Custom cassettes and re-spacing kits are available. Shimano mountain bike cassettes are compatible with road drive trains and shifters but require a mountain bike rear derailleur and chain length adjustments. The mountain cassettes go as low as 12-34. Shimano road cassettes can be customized with cogs larger than the 27, possibly as high as 30t with proper adjustments on a road derailleur. See for customized road cassettes and parts. Branford bike and others offer Shimano cassettes converted to Campy spacing.
re: Shimano Cassette SizesStevieP
Aug 6, 2002 8:12 AM

I really need a triple but my entire bike has Ultegra & upgrading to triple in the uk would cost £200 so I am looking for a cheaper alternative.

I have an XTR rear mech on my MTB so could I use that with a 9 speed MTb cassete?
re: Shimano Cassette SizesRusty Coggs
Aug 6, 2002 8:46 AM
It works.
re: Shimano Cassette SizesChen2
Aug 6, 2002 10:01 AM
Yes, assuming 9-speed to 9-speed. Check your chain length, make sure it's long enough to handle a big to big shift just in case.