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  • Are you suggesting just putting the 34t chainring on the 10spd bike? That might be a cheap option. Am assuming the erg mode on the kickr core will be much better than the Tacx where I had to use gears to help get appropriate resistance.

  • Well I mean, you could?
    Or buy a single raptor chainring fromnsuperstar for £40.

  • will you ever use it non-ERG i.e zwift and other stuff

    if so stick with double and there are non-shimano double chainrings you can buy

    also what about the 'other' bike (9 speed?)

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