RC10T7 3-Gear Gearbox Conversion This conversion comes with the following: - 71215 RC10B7 3-gear gearbox - 71223 RC10B7 differential height inserts, notched - 71216 RC10B7 3-gear gearbox idler gear 54T - 71217 RC10B7 3-gear gearbox, idler shaft with two m3x8mm BHCS screws - 71218 RC10B7 arm mount C, 3-gear gearbox, aluminum - M3x16mm BHCS qty.8 - M3x8mm FHCS qty. 2 - 10x15x4mm bearings qty. 2 - 3-gear conversion supplement This part fits the following vehicles RC10T7 Team