• Hey,

    I've recently built up a work bike from a 90s steel Raleigh frame with a wald basket on the front. I've put new wheels on it with a 9 speed cassette rear wheel. I wanted a thumb shifter on the handle bars so I went and bought a surely archer 9 speed indexed thumb shifter and set it up. What I found is that the shifter is electing properly. Some times it misses a gear and jumps up and down. I have a 105 cassette on the back.

    Is there a compatibility issue with this set up? Is there any thumb shifter that would work with my 9 seed cassette?

    Cheers,

    Tom.

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