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rayfinseats · 03-26-2011, 10:59 PM

Rotating the tire method works fine. As far as accuracy, you've got 2.73, 3.08, 3.42, 3.73 and 4.11 common ratios. It's accurate enough to tell them apart.

AGREE. I once had one that came out to 2.5. I thought I was on drugs. Pulled the cover and sure enough it was a 2.56. No wonder it took 1/2 a block to spin the tires.

03-26-2011, 10:59 PM	#14
rayfinseats Registered User Join Date: Dec 2010 Location: sioux city, iowa Posts: 619	Re: How to identify what my gear ratio is? Rotating the tire method works fine. As far as accuracy, you've got 2.73, 3.08, 3.42, 3.73 and 4.11 common ratios. It's accurate enough to tell them apart. AGREE. I once had one that came out to 2.5. I thought I was on drugs. Pulled the cover and sure enough it was a 2.56. No wonder it took 1/2 a block to spin the tires.