Sprocket too close to frame

dbg
dbg Posts: 846
edited March 2012 in Workshop
My brother tells me when he fits his RS80 wheel into his SuperSix frame the smallest cog on the 10 speed cassette is so close to the frame the chain can't drop onto it - yet when he fits the same wheel in his Giant its fine - what's going on?

Comments

  • ugo.santalucia
    ugo.santalucia Posts: 28,337
    Different angle of the rear triangle... normally happens if your smallest sprocket is quite big... like a 14. In that case fit a cassette with an 11 or 12 sprocket, alternatively you need to add a spacer in the hub, 1 mm can be enough
    left the forum March 2023
  • Monty Dog
    Monty Dog Posts: 20,614
    I've seen frames where the chain has worn through the seatstay because of this - rider didn't appear to notice the noise either, but frame was effectively trashed.
    Make mine an Italian, with Campagnolo on the side..

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