Question about Cranks/Chain Rings
12-29-07, 09:21 PM
#1
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Question about Cranks/Chain Rings
I currently have a compact crank (50-34) running on an Ultegra 10-speed road bike drive train. Is is possible to replace the large 50 tooth chainring with a 53 and end up with a 53-34?
Thanks!
Thanks!
12-29-07, 10:00 PM
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Compact cranksets use a 110mm bolt pattern (as opposed to a 130mm bolt pattern on standard doubles). So all you need to do is find a 110mm by 53 chainring that is 10 speed compatible. If you find the correct chainring, your front shifting will not be as good and you'll need a longer chain.
12-29-07, 11:13 PM
#3
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They do make 110 BCD 53T chainrings. But most FD's are designed to shift more than a 16T difference so it may not shift very well if you keep that 34 on the front. RD tooth capacity may be an issue too.
- Mark
- Mark
