• basic question here. rear shifting is awful on my 10 speed set up. the issue has lasted across a change of frames and changed shifters (5700 to 6700). the main problem is shifting into a high gear (smaller sprocket) from cassette sprocket number 9 (second largest sprocket), possibly also sprockets 10 and 8 but I can't remember. I have spent ages adjusting, readjusting and lining everything up and my other 10spd bike (my mtb) shifts good. current theories are that because the freehub body is gnarled and getting the cassette off is a real struggle, I have done something to the cassette. the other theory is cable friction especially due to the cabling under the bars is holding the derailer back. Chain, by the way, still has life, the .75 prong won't slide between links. Anything else?

  • Make sure the cable is clamped in the correct orientation on the derailleur. Clamping it wrong can change the pull ratio a tiny bit.

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