T-Cycle 15t Power Idler Cog Sport with 8mm Bearing tent30 It does not work on

It does not work on HP Velotechnik or Azub Shimano motors

Distance from center to center on mounting holes is 18mm

Provides smoother shifting and a quiet drive train

Derailleur mast

T-Cycle 15t Power Idler Cog Sport with 8mm Bearing tent30 It does not work onThe TerraCycle Sport Power Idler is the second best power idler on the market (second only to the Elite Power Idler). With aerospace grade ballistic nylon side plates, tough metal core, durable aluminum cog and top of the line ABEC 7 steel bearings, this rugged, workhorse idler will give you years of trouble free improved drivetrain performance. It's solid and, quite frankly, it's beautiful. For miles and miles, the Sport Power Idler will prove itself