105 Cassette Spacer Ring

LeighM
LeighM Posts: 156
edited July 2014 in Workshop
I've just swapped a Tiagra 10sp cassette for a 105 10sp cassette. The 105 cassette came with a 2-3mm spacer ring, however the Tiagra one did not have one fitted.

Is it safe to assume that the 105 cassette doesn't require this spacer fitting?

TIA.
2014 Trek Madone 4.7 | 2009 Trek Fuel EX7 | Planet X Pro Carbon Track Elite
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Strava

Comments

  • me-109
    me-109 Posts: 1,915
    Ring should not be that big, but anyway … 105 needs it, Tiagra doesn't.
  • keef66
    keef66 Posts: 13,123
    It should be a 1mm spacer (thickness that is). As already stated it's required for the 105 cassette but not a 10 speed Tiagra one which is 1mm wider.
  • LeighM
    LeighM Posts: 156
    Thanks guys.
    2014 Trek Madone 4.7 | 2009 Trek Fuel EX7 | Planet X Pro Carbon Track Elite
    TrainerRoad
    Strava

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