DESCRIPTION:
It uses an adapter insert to make the sprocket compatible with spline drive or bolt on style cranks.
-The adapter is available for 19mm, 22mm, & 24mm axle sizes. One sprocket fits all!
-A Universal Adapter Insert can be added when purchasing the guard sprocket(Recommended), purchased seperately, or be not required if you already have one.
Following are the Universal Adapter choices:
A. 19mm Spline Drive
B. 22mm Spline Drive
C. 19mm Bolt On
D. 22mm Bolt On
E. 24mm Bolt On