cornwallis said:Hi you guys. Thanks for all the info which explains why I need a long cage in the first place. I need the 'Granny' gears and have a 54/42/32 and a 11-34 which does at least mean I can go fast down hill even if I'm slow up hill!
I have just bought a Shimano XT Rapid Rise with an EXTRA Long Cage. This seemes to work OK- indeed it is more intuitive as both shifters work in the same direction when going up the gears and I can more quickly get to low gears when I need to.
This EXTRA long cage in the Shimano Tech Spec seems to be for the same gear ratios as the ordinary Long Cage with the only difference that it will accommodate '45T'. See the Shimano site.
What does this mean? And/or should I have bought just an 'ordinary' Long Cage? Cheers. Slaws
By the way that Aussie Cooper's Beer is Ace Cobber. From which comment you may guess that I'm nearly 60!
MidBunchLurker said:45T is the maximum capacity the derailleur can accomodate, adding together your rear range (34-11 = 23T) and your front range (54-32 = 22T), giving 45T total capacity. So you are running this derailleur at its max capacity, and you couldn't, for example, make your big chainring a 55 now, without keeping a careful eye on the gear combinations you use. I wouldn't imagine you'd need to though, unless you have VERY big legs
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