Chef23
09-02-04, 11:48 AM
I have seen reference to duplicate gears on bikes. How do you calculate the gear size?
Thanks.
Thanks.
Road Cycling - How do you calculate gear size
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TechJD
09-02-04, 11:58 AM
not sure how this works in metric
but for americans
CG = Crank Gear
RG = Rear freewheel/cassette Gear
WS = Wheel Size
(CG/RG) x WS = Gear Size
example:
(39/14) x 27" =75
but for americans
CG = Crank Gear
RG = Rear freewheel/cassette Gear
WS = Wheel Size
(CG/RG) x WS = Gear Size
example:
(39/14) x 27" =75