* Replaces OEM # 31342-90
* Replaces OEM # 33127-90A
* Replaces OEM # 60647-90A
Improved performance at a lower cost. One piece design eliminates the need for inner primary bearing support which reduces the occurrences of binding and delivers more power to the primary. Delivers more Torque
More tolerant of misalignment
Available in 9 tooth (large gear) and 10 tooth (small gear) versions
Available as a 9 tooth conversion for use on bikes that origina
lly came with a 10 tooth gear (66 tooth ring gear is necessary for conversion)
