Ratio....

  • Discuss Ratio.... in the General BMX Forum forum in area BMX-Forum Community; Hey Guys, if i get a 39 tooth sprocket on my WTP Airwin, wont the ratio between the freewheel and sprocket be out of time for the chain?? ...
D

DirtSurfer

Guest
Ratio.... post #1
Hey Guys, if i get a 39 tooth sprocket on my WTP Airwin, wont the ratio between the freewheel and sprocket be out of time for the chain??
 
E

EasternBMX

New Member
Ratio.... post #2
What size free wheel. If it is 14tooth then you are cool
 
D

DirtSurfer

Guest
Ratio.... post #3
Damn its a 16 tooth, does this mean i need a 44tooth Sproket?
 
J

johntheguru

New Member
Ratio.... post #4
to work it out, divide the front teeth by the back teeth.

eg.

44/16 = 2.75
39/16 = 2.4375 (smaller than the above ratio)

i use 25/10 = 2.5 as i prefer a smaller gear than 44/16.

work it out like this.

john
 
I

infantry43RIDER

Guest
Ratio.... post #5
i run 39/16...works fine
 

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