TRF415 Front Aluminum Differential Joint. This option includes parts to run a ball differential in the front of the TRF415/TRF415MS/TRF415MSX. Optimal for running carpet or in races that do not allow front one-way differentials such as the annual Reedy Race of Champions.
Use with separately available TRF415 Diff Pulley. Heightens running stability and is suitable for use on carpet circuit.