BF GEARUSA K SERIES DOG 5TH GEAR SETS

K series Dog engagement 5th gear (Helical and straightcut available) For those half mile guys,time attack or if you simply need a cruising gear to take power.

Dog rings are replaceable

Helical and straight cut

Ratios:

0.81

0.91

0.73

2 gears, hub and slider

*THESE WILL WORK with a 6th gear cuff.

*THESE WILL NOT WORK with OEM 6th gear.