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Motorcycle Sprocket Size/Ratio Calculator


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Honda CRF450R (2009)

FrontRearChainLinks
Honda CRF450R (2009)1348520116
Select current size of front and rear sprockets
as well as the new sizes.

FRONT REAR LINKS
CURRENT
NEW
FrontRearRatioTorqueSpeed
13T46T3.54 -4.3%+4.3%
13T47T3.62 -2.1%+2.1%
13T48T3.69
13T49T3.77+2.0% -2.0%
13T50T3.85+4.0% -4.0%
13T51T3.92+5.9% -5.9%
13T52T4.00+7.7% -7.7%



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