This is a replacement Tron Helicopters Pinion, Clutch ...
Bell, and Clutch Liner Assembly for the 5.5N. Two options are available, 21T and 24T. Depending on blade choice, and flying style preferences, the gearing adjustments are for running 550-560mm main blades, ...
the exact match with the original 135 tooth main gear (TR503-135) found in the Tron 5.5E. Offered in a wide variety of tooth counts to fit your needs for gearing and headspeeds ...
Tron Helicopters NiTron 90 Clutch Bell and 17T ...
Pinion Set. This replacement clutch bell and pinion set is intended for the NiTron 90 nitro 700 helicopter kit. Package includes one clutch bell and 17T pinion set. This product was added ...