One piece 9T or 11T driver kit for Nankai Bamboo (14mm) Freecoaster Hubs. Also includes replacement cone and bearings that are specific to 9T and 11T drivers.

-9T drivers have 3/32" teeth (3/32" fits both sizes of chains).
-11T drivers have 1/8" teeth (1/8" will only fit 1/8" chains).