This is our new DC1 Slipper Eliminator. This new part has been designed and machined in house to achieve the tightest possible tolerances. This part only fits the threaded top shaft linked below. 

https://r1wurks.com/collections/dc1-drivetrain-parts/products/dc1-threaded-topshaft

This part works for both of our Wide and Narrow Spur Gears.