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Shimano 9/10 sp component cross compatibility

bomberesquebomberesque Posts: 1,701
edited June 2012 in MTB workshop & tech
Afternoon all

I did a quick search on this and came up dry, although I'm *sure* it must have been covered in the past so probably my search-fu isn't very good

what I'm after is advice on cross compatibility between 9 and 10sp components.

Specifically;

I know that 10 sp chains are nominally narrower than 9sp, but is it enough to preclude the use of 9sp chainrings in an otherwise 10sp setup?
Will a 9sp (shimano) derraleur work with a shimano 10sp cassette & shifter? Especially thinking of using a low normal (Rapid Rise) 9sp derralier in a 10sp setup

ta
Everything in moderation ... except beer
Beer in moderation ... is a waste of beer

If riding an XC race bike is like touching the trail,
then riding a rigid singlespeed is like licking it
... or being punched by it, depending on the day

Posts

  • Chunkers1980Chunkers1980 Posts: 8,035
    Nope - it is all in the FAQs
  • nicklousenicklouse Posts: 50,675 Lives Here
    1 they are basically the same
    2 see above.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • bomberesquebomberesque Posts: 1,701
    Thanks. On looking again I did find the entry in the FAQs. a long answer to a short question! well summarised Chunkers, thank you

    Having confirmed that the front shifter I bought is 2/3 sp switchable the crank seems not a problem but it seems that after a decade and a half of being a Rapid rise fanboi I am going to have to relearn how to shift gears. Cue much swearing and creaking of knees at the bottom of climbs
    Everything in moderation ... except beer
    Beer in moderation ... is a waste of beer

    If riding an XC race bike is like touching the trail,
    then riding a rigid singlespeed is like licking it
    ... or being punched by it, depending on the day
  • nicklousenicklouse Posts: 50,675 Lives Here
    so why bother spending all that cash? shifter mech chain cassette.............
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • bomberesquebomberesque Posts: 1,701
    new bike. could have gone with a legacy 9sp RR der set up I suppose but as the idea is end of life anyway I'm going to need to make the switch at some point.

    The only reason I thought of it actually was an answer to a letter in some MTB rag which suggested swapping shifters and cassette to 10sp but neglected to mention the der. "oh" I thought "perhaps I can stick with RR for one more round"

    but no, it seems not
    Everything in moderation ... except beer
    Beer in moderation ... is a waste of beer

    If riding an XC race bike is like touching the trail,
    then riding a rigid singlespeed is like licking it
    ... or being punched by it, depending on the day
  • nicklousenicklouse Posts: 50,675 Lives Here
    yep no way different cable pull.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • Chunkers1980Chunkers1980 Posts: 8,035
    Not quite legacy yet. In fact, probably won't be until something newly viable comes along
  • njee20njee20 Posts: 9,613
    Legacy as in no longer produced and superseded, now twice over, justified word IMO!
  • The RookieThe Rookie Posts: 27,802
    You can use flat bar road shifters to get 10 speed out of your RR rear der'.
    Current steed - Whyte T129, 2013 frame, mongrel Revelations, Giant dropper, Stans S1 wheelset. 12, Magura Trail Sport brakes, 1x11. 12.8Kg
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