gear ratio

[gr race]

Can someone give me the gear ratio #'s for a 19-32 / 20-32 / 21-32

[tireman43]

Divide the rear sprocket by the front sprocket(larger # by the smaller #). 19-32=1.69, 20-32=1.60, 21-32=1.53. Hope that helps.

[gr race]

THANKS