Home > OMP M4 Spare Parts > OSHM4125 20g Servo Gear Set OSHM4125 20g Servo Gear Set$13.95 3 in stock OSHM4125 20g Servo Gear Set quantity Add to cart SKU: OSHM4125 Category: OMP M4 Spare Parts Description Description This listing is for OSHM4125 20g Servo Gear Set to suit the new OMP Hobby M4 RC Helicopter. Related products OSHM4116 Linkage Rod Spanner 3mm 4mm $12.95 Add to cart OSHM4037B Tail Pulley 22T – Black $11.95 Add to cart OSHM4055B Tail Servo Mount Set – Black $10.95 Add to cart OSHM4008B Main Rotor Hub – Black $29.95 Add to cart