• What're the most gears I can fit with 126mm rear spacing? I'm building a bike for baby carrying around Bristol and need some gears. Would it be wise to have wide rims if I'm planning to have >33mm tyres?

  • 7, but the axle is weak so you might want to consider an IGH.

    Rim internal width at least 17mm for 33mm tyres, and 22-25 would be ideal.

  • Hmm, that's an option. I'm trying to keep this fairly budget as I'll be getting something much more modern in the not too distant future. Any suggestions?

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