for use with SAB Goblin Black Nitro and Black Thunder helicopters. Includes: (2) Aluminum Radius Arm (2) Spacer Arm 3x5x2.7 (2) Spacer Arm 2.5x4x6.3 (2) Plastic Radius Arm (2) DIN 12.9 Socket ...

Coated Spur Gear. This spur gear delivers a 4.5:1 tail gear ratio and is recommended when using head speeds above 2000 rpm and requires 106-116mm tail blades. This product was added to ...