The T-Cycle Challenge Jester Idler Kit is a serious upgrade for your Jester's chainline. The fully floating design eliminates drag and makes for a quiet ride. This kit replaces your old Jester idler with a top of the line, toothed T-Cycle Power Idler, which means more efficient transference of pedal power! The hardware is all stainless steel to last. Get your Challenge Jester Idler Kit right now!