Accessories:
Fixed Gear Adapter-2pcs
Motor Heatsink Mount-1pcs
Stainless Steel Cap Head Screw 3x14-1pcs
Stainless Steel Flat Head Screw 3x8-2pcs

Product major functions & usage:
Stabilize the motor gear

Major advantages of upgrading to this part/product :
1.Aluminum 6061 T6 made, not easy to bend with a better stability of the motor and heat cooling down function and better heat displacement.
2.There are 5 holes (A, B, C, D, E, ) for different mounting position.Adjust the motor gear and spur gear distance (PITCH) to keep the car's stability.