I currently have a truvativ crankset 22-32-42, with a front derailleur with a 20t capacity, and an 11-34 cassette. I can spin out the high (42-11) gear on level ground (only about 29 mph!) and wish to have the ability to go faster (this is my commuter bike). Can I drop the 22 granny ring, shift the other two rings down, add a 48t chainring and just move the derailleur up and be fine? thus creating a 32-42-48 crankset?
Thanks in advance for any help in this matter.
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Thread: Chainring changing question
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