11-28 to 12-13 cassette

rob39
rob39 Posts: 479
edited March 2016 in Workshop
Buying some Campag Zonda wheels. Currently run 105 5700 group with a 11-28 cassette. Looking to get a 12-30 ultegra 6700 cassette (mind/heart feels 21 but body definately 47 :( ). Is it a straight forward swap. I've a short cage derailleur.

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  • arlowood
    arlowood Posts: 2,561
    rob39 wrote:
    Buying some Campag Zonda wheels. Currently run 105 5700 group with a 11-28 cassette. Looking to get a 12-30 ultegra 6700 cassette (mind/heart feels 21 but body definitely 47 :( ). Is it a straight forward swap. I've a short cage derailleur.


    You should be fine. The short cage will cope with a 12-30 cassette assuming you have got the chain length correct. I ran this combo (50/34 with 12-30 Tiagra cassette) on several bike (5700 short cage RD) and only on one occasion did I need to tweak the B-screw to move the top jockey wheel a bit to get smooth running.
  • markhewitt1978
    markhewitt1978 Posts: 7,614
    Yeah short cage is fine with 30t which is what I run

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