CNC Light Weight Hardened steel construction Replaces stock nylon spur gear

Previously known as the highly-regarded OFNA 10244 starter box

Front Portal Gear Shaft (2)

Front Drive Shaft

Carisma - Aluminum Clamping Servo Arm, 25 Tooth, Black: SCA-1E Series HPI113141 CNC Light Weight Hardened steelDirect replacement to the SCA 1E plastic servo horn. Also good for M40S and 4XS. Double secured with 2 set screws on the side to provide extra security for those high torque application. Ideal use when you want the best performane and precision. Please note, high torque metal gear servo is recommended. Plastic gears will NOT work.