Features:

*Aluminum 7075 material with hard coating treatment
*Lightweight for better acceleration (15T weighs only 3g)
*Less rotating mass
*For 5mm bore motor
*Large 5mm set screw grips better
*Precisely CNC machined, lightened & hardened

NOTE: Use only with plastic spur gears.

*Made In Taiwan

*Cars, parts, accessories & others are not included.*