MTX 897 Zero Aluminium Rear Sprocket #520 - Black (47T) (11A-KM1-47BLK) thumpstar Includes both brake and clutch

Includes both brake and clutch perch/levers

Countersunk bolt holes

The magnets are now sealed which prevents them from coming loose

*For Kids 4-7 years old | Flank protection | Easily adjustable waist straps for a great fit

(Needle jet and other pressed-in jets are not included in the kit

MTX 897 Zero Aluminium Rear Sprocket #520 - Black (47T) (11A-KM1-47BLK) thumpstar Includes both brake and clutchCNC machined from aviation grade 7075 T6 alloy the MTX Zero Alloy rear sprockets are your go to option for the lightest possible sprocket solution. Constructed with self cleaning mud grooves to increase the life of both your chain and sprocket. Computer designed weight reduction holes make the MTX Zero 66% lighter than the steel equivalent (model dependent) while maintaining maximum strength and durability. The anodised finish provides a factory look