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CX bike has Shimano 105 on a 110BDC 4 arm setup.
I want to swap out inner chainring for 34t (from 36t).
Some websites suggest have to buy a 105 specifc ring?
Do I? Or what are the alternatives?
Cheers for any help.
Posted : 01/10/2017 7:28 am
Posted : 01/10/2017 7:35 am
36t down to a 34t should be OK. I found going the other way
Was prone to not shifting at the front if I was toward the 11
End of the cassette.
The back of the big ring has a ramp that finished where the inner
Teeth start so putting the 36t on meant the downshift didn't work
And the chain ended up sitting between the 2 but not jammed !!!
Posted : 01/10/2017 7:38 am