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Motorcycle Sprocket Size/Ratio Calculator


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Honda CRF150F (2003-2009)

Honda CRF150F (2003-2009)
FrontRearChainLinks
Honda CRF150F (2003-2009)1348520104
Select current size of front and rear sprockets
as well as the new sizes.

FRONT REAR LINKS
CURRENT
NEW

Link count is approximate.
Make sure chain is long enough before you cut it.
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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