the exact match with the original 177 tooth main gear (TR563-177) found in the Tron 5.5E. Offered in a wide variety of tooth counts to fit your needs for gearing and headspeeds ...
and Clutch Bell assembly suited for use with the Oxy 5 nitro. This larger pinion gear change the gear ratio from 8.578:1, to 7.40:1 which is the ideal choice when flying the ...
Shaft Support Bearing Mount, suited for use with the Oxy 5 and Oxy 5 MEG Helicopters. This optional support mount provides improved motor support due to the fact that the external motor ...