I have a question: What is the shortest crank I can put on my road bike? I have limited flexion (107 degrees) in my knee and I can't turn the 175mm crank. Thanks in advance.
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Thread: shortest cranks?
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03-11-2011, 07:23 AM #1
gravel grindess
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shortest cranks?
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03-11-2011, 07:26 AM #2
Inner Geekette
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How tall are you?
175mm crank is big!
170 is probably about average for many "women's" road bikes (yeah, I know, there is no average woman). But 165 is not uncommon.
My 6'2" hubby uses 172.5 on his road bikes, 175 cross and mtb, and 180 on his singlespeed mtb.
Length gives you leverage, but harder to get a high cadence.Frends know gud humors when dey is hear it. ~ Da Crockydiles of ZZE.
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03-11-2011, 07:41 AM #3
gravel grindess
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SadieKate, I am 5'6" and my inseam is 31.5. I apologize--my cranks are 172.5mm.
Is 165 the shortest I can go? I really want to ride my bike that's on the trainer.
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03-11-2011, 07:42 AM #4
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175 is huge!
I'm 5'3" and I can't ride longer than 165 mm without knee trouble.
Do you have Shimano on your bike? Dura-Ace, Ultegra and 105 all come in 165 mm.
I'm pretty sure there are cranks you can get in 160 and 162.5, but I don't know what.Speed comes from what you put behind you. - Judi Ketteler
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03-11-2011, 07:45 AM #5
gravel grindess
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Oak, I have SRAM Force.
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03-11-2011, 07:49 AM #6
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I have 165's
There are 155's out there, but they tend to be manufactured for BMX bikes, so getting a set that fits your BB and chanrings might be hard."Sharing the road means getting along, not getting ahead" - 1994 Washington State Driver's Guide
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03-11-2011, 07:52 AM #7
Inner Geekette
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You need to look for a crank that is compatible with your bottom bracket and the rest of your gruppo, but that doesn't mean you are stuck with SRAM. You can certainly start your research on their site though.
Frends know gud humors when dey is hear it. ~ Da Crockydiles of ZZE.
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03-11-2011, 08:02 AM #8
gravel grindess
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Eden, perhaps I may need to think of changing cranks on my mtb (Specialized Epic with 172.5mm shimano cranks) instead of the road bike? Maybe more options that way? Sadie, I will check with my LBS and see if we can form a game plan. The reason I'm looking at changing stuff on my road bike is that it is the lightest bike I do have and I will probably be riding it initially when my knee gets more flexible. I have several other bikes though that I can tinker with instead of the road bike. I just thought it might be easier for me physically to ride the lighter bike with shorter cranks.
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