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close ratio shimano zee rear mech with wide ratio cassette??

automattautomatt Posts: 3
edited August 2014 in MTB workshop & tech
hi,

what will happen if you pair close ratio shimano zee m640 rd (up to 28t) with wide ratio cassette 11-36t ?? :?:

Posts

  • cooldadcooldad Posts: 32,599
    It might not work very well.
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  • you probably right :D

    but what will happen? will it work somehow or won't at all?
  • rockmonkeyscrockmonkeysc Posts: 14,774
    Only one way to find out but I wouldn't. There's a reason why Shimano give a maximum capacity for it.
  • The RookieThe Rookie Posts: 27,811
    It may not be able to control the chain so it goes slack in the highest gears, it may be that the upper jockey wheel won't clear the biggest sprocket as well.
    Currently riding a Whyte T130C, X0 drivetrain, Magura Trail brakes converted to mixed wheel size (homebuilt wheels) with 140mm Fox 34 Rhythm and RP23 suspension. 12.2Kg.
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