Bike Forums - View Single Post - Can I upgrade a 10-speed bike to 11-speed?
Old 01-19-20, 11:45 AM
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MoreLowGears
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Originally Posted by Chris! View Post
I have not intalled the cassette yet but there are YouTube videos of the medium swing tiagra going to a 36.
Boosting this. I have a mid-cage Sora R3000 rear derailleur running a 12-36 with no issues. The newest 105 and above have even better clearance. I think itís safe to assume that all Shimano rear derailleurs rated for a 34t sprocket will also clear a 36.
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