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Will triple 8spd shimano sora shifters work on a double 7spd bike?

Hi Guys,

Just wondering if anyone could help me with this. I was selling some triple 8speed shimano sora STi 3300 shifters and someone asked whether they would work on a double chainring with 7spd. At first glance I wouldn't have thought so but I said I would get back to them so if anyone could enlighten me that would be greatly appreciated.




  • TTX PROTTX PRO Posts: 225
    The answer to that is no as the indexing is slightly different.You can run and 8 speed rear mech on a 7 speed cassete but not shifters
  • treefrogtreefrog Posts: 1,242
    I think TTX PRO is correct; the indexing makes them incompatable
  • sam_am_1sam_am_1 Posts: 4
    Cheers guys.

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