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Shimano GRX 1x chainring size limitations.
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Topic: Shimano GRX 1x chainring size limitations. (Read 894 times)
RDY
Hero Member
Posts: 541
Total likes: 300
Shimano GRX 1x chainring size limitations.
«
on:
September 07, 2020, 10:29:55 AM »
Shimano only sell 40T and 42T, but can you put a 46T on? Or will that cause issues with the default 11-42 cassette?
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cst_jpr
Jr. Member
Posts: 75
Total likes: 19
Re: Shimano GRX 1x chainring size limitations.
«
Reply #1 on:
September 08, 2020, 11:50:35 AM »
https://www.reddit.com/r/gravelcycling/comments/dzumv8/can_you_run_a_grx_1x_with_1146_cassette/
https://www.bikeforums.net/cyclocross-gravelbiking-recreational/1191447-shimano-grx-rd-810-11-46t-cassette-possible.html
(RD?)
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ryapad
Member
Posts: 13
Total likes: 5
Re: Shimano GRX 1x chainring size limitations.
«
Reply #2 on:
September 08, 2020, 06:09:25 PM »
As long as you only have one chainring up front, it can be any size you want. You'll have to get a longer chain or do some quick link magic to make it work. Also, make sure a larger chainring will actually fit on your bike before you buy.
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tripleDot
Sr. Member
Posts: 414
Total likes: 58
Re: Shimano GRX 1x chainring size limitations.
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Reply #3 on:
September 21, 2020, 10:21:20 AM »
For a 1x setup, I don't see why not. The limiting factor would actually be your chainstay. Usually, if you got clearance for wider rear tire, the chainring clearance would have to give.
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Shimano GRX 1x chainring size limitations.