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Dura-Ace 2002 rear mech capability(5 posts)

Dura-Ace 2002 rear mech capabilitythe flying bean
Jan 9, 2003 8:43 AM
Thanks for the replies to my Chorus capabilities question. My Audax riding partner now asks the same of his Dura-ace 2002 rear mechanism. Is it capable of handling a 29T or does he have to fit a different cage? I think he has the standard cage fitted.

Many thanks in anticipation for your help.

The Flying Bean
Any chance you are riding Cotswold Corker on 15/2? (nm)StevieP
Jan 9, 2003 8:57 AM
Any chance you are riding Cotswold Corker on 15/2? (nm)the flying bean
Jan 10, 2003 1:31 AM
We haven't entered that one but hope to do other PBP qualifiers such as The Brian Chapman, though I gather the BC is not as hilly as The Brimstone. There's a 300 in Devon which promises to be very hilly, hence my enquiries about gearing.
Cheers
The Flying Bean
re: Dura-Ace 2002 rear mech capabilitylook271
Jan 9, 2003 4:40 PM
27 t max. To go to a larger cog, you could get a mtb rear mech and use it.
you'll probably need longer tension screwcyclopathic
Jan 10, 2003 11:30 AM
(also called B-screw) but it should work. Shimano downgraded rating from 28T to 27t when they stopped making 28t cass. I have used Shimano 8speed road RDs with 30T/no problem, the friend of mine still runs '01 DA with 11-28 cluster on his MTB.

Cage length affects total cappacity not max cog size, so with short cage der a few smaller cogs won't be usable in small ring.

Of cause if your friend is buying new RD better to get MTB derailleur. Then you can put triple cranks or MTB cass anytime.