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Shimano 7 to 10 speed

fboasbfboasb Posts: 8
edited January 2010 in Workshop
I hope somebody can help....

A friend has a SRM power meter on a shimano hub. He uses a 10 speed cassette on it but unfortunately my turbo uses an old bike with a shimano 7 speed. Is it as simple as swapping my 7 speed cassette for the 10 speed one - i.e. will it fit?




  • SRM measure power through the cranks !
  • andrew_sandrew_s Posts: 2,511
    Perhaps it's PowerTap rather than SRM?

    Anyway, a 7 speed cassette is a little narrower than 10, so you'll want a 4.5mm spacer behind it. Don't forget to adjust the rear mech low gear limit stop.
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