1 for the real techys

marksteven
marksteven Posts: 208
edited June 2011 in The bottom bracket
just fitted a new 11/34 cassette to my touring bike , it already has a compact chainset on it , i was running a 12/27 with a standard 9 sp D Ace rear mech . so put the cassette on &it works, a tiny bit clicky on the 34 but thats all, i never have huge chain cross over , always have 2 cogs spare when on the big ring, & will only use the 34 as a get out of jail cog. any way the question is , shall i leave it ? or will it do damage.

Comments

  • Cleat Eastwood
    Cleat Eastwood Posts: 7,508
    try switching it off and on again.
    The dissenter is every human being at those moments of his life when he resigns
    momentarily from the herd and thinks for himself.
  • Mystique
    Mystique Posts: 342
    Have you lengthened the chain at all??
  • marksteven
    marksteven Posts: 208
    no . like i said i'l never be in the 50 34 or 50 30 so chain length is fine , i was wondering about th tiny bit of clicking on 34 34 .
  • nicklouse
    nicklouse Posts: 50,675
    TBH i would fit an MTB mech. last thing you want is to lose the mech in the wheel.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • one_bad_mofo
    one_bad_mofo Posts: 86
    Chain around big ring and largest sprocket and then add two extra links. Job's good un.
  • Anonymous
    Anonymous Posts: 79,667
    Cleat Eastwood wrote:
    try switching it off and on again.

    I lol'd :oops:
  • jairaj
    jairaj Posts: 3,009
    one_bad_mofo wrote:
    Chain around big ring and largest sprocket and then add two extra links. Job's good un.

    Im not sure its as simple as that. Do you not need to make sure the rear mech can handle the range too?

    I'd take Nicks advise. Not worth wrecking the wheel or mech if you accidentally shift too far
  • freehub
    freehub Posts: 4,257
    rewind it.
  • stigofthedump
    stigofthedump Posts: 331
    Could be a bit clicky because the mech is too close to the 34 sproket. Adjust with the B limit screw.
    Stick with it, as long as you're careful about crossing the chain.
  • tim_wand
    tim_wand Posts: 2,552
    Im running the same combo but with a long cage rear mech . standard advice is for only 26 tooth differential on a standard mech and mine still clicks in the 34.

    I ve adjusted the B Screw on the drop out and added two links which seems to have sorted it out.

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