250cc atv axle with reverse

Middle Gearbox Reduction Ratio:

Manualshift with F,N,R position,

ForwardShift Ratio:High:1.94,

                                     Low:2.502or 3.6

ReverseRatio:                     2.67

Output side Specification:

Module1

TeethNo 19

PressureAngle 37.5˚

MajorDiameter Da20

Root Diameter Df 17.8

Measuring Distance 22.12 0.1-0.20

output shaft：17 teeth sprocket or keyway shaft

mechanism by wire.

Knuckle 

Wheel Hub

with 4 bolts or 5 bolts,center distance is 100mm