Overdose Counter Gear Set (For OD3929/18T,19T,20T)

Easily setting the secondary reduction ratio without changing the gear mesh.

A new counter gear set that includes 18T a nd 19T gears, in addition to the 20T counter gear t hat comes standard with the Gear Drive Set Type-3!it possible to set a low gear ratio, it's easy to set up even on low-grip surfaces, technical course layouts, and courses with a lot of acceleration and deceleration. the 18T and 19T gears use P-S gears, making it possible to replace them without adjusting gear mesh. Use it for various purposes such as refreshing, spare parts, and setting parts. Come with three 2x8 pins (black).
※Secondary reduction ratio/18T(3.00)/19T(2.84)/20T(2.70)