Lightweight 2-Speed Gear Holder

30mm fan: Bigger is always better when it comes to fans

this hub set is a direct-fit replacement that restores reliable rear-wheel performance to your RC8B4

Designed for front and rear installation

5mm Nut Driver Bit

Castle Creations 010-0169-01 Mamba Micro X2/16.8V WP ESC w/ 0808-4100KV MOTOR MT410 Parts Lightweight 2-Speed Gear HolderCastle Creations 010 0169 01 Mamba Micro X2 16. 8V WP ESC w 0808 4100KV MOTOR This Castle Creations Mamba Micro X2 combo pairs a 16. 8V waterproof electronic speed control (WP ESC) with a matched 0808 4100KV sensored brushless motor, giving you a ready to run power system for compact RC vehicles. The waterproof ESC and factory matched motor work together for smooth, linear throttle response and dependable performance, backed by genuine Castle