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  • I broke my femur in 2018 and I now have a leg length discrepancy of about 10mm, which has started to cause problems.

    I've been given a shim for the Speedplays I use with my road bike, but both my other bikes use MTB pedals, and so can't really be shimmed without loosing the ability to walk around in them.

    In order to get rid of the injuries, I need to have consistency across all my bikes (and to sort out my normal shoes, bla).

    Is there any reason not to do away with shims completely, and just use different length crank arms instead?

  • If you use one longer crank you will have that foot come higher, closing the hip angle etc. Sounds like a recipe for different problems. Go and see a bike fitter.

  • You can get a cobber to split the shoe and build up the sole of the shoe by same amount as the speedplay shim.

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