Revolution Design B7 | B84 Ultra Lightweight Differential Outdrive Set (For 10.5T or slower | 2pcs) A12 New black coating version —

New black coating version — no more rust

1x 3D Pro Honeycomb Front Bumper

40mm: Suitable for majority of setup stations such as Hudy

The SPR-P1 spring is mainly recommended on the rear end of the car

7 mm deeper in the tray

Revolution Design B7 | B84 Ultra Lightweight Differential Outdrive Set (For 10.5T or slower | 2pcs) A12 New black coating version —The Revolution Design B7 B84 Ultra Lightweight Differential Outdrive Set is made for stock racing performance and reduced rotating mass. Designed for 10. 5T or slower motors, these outdrives help the drivetrain spin up faster and feel more responsive, while maintaining a precise fit for consistent diff operation. With a total weight of only 5. 3 g per pair, the set is 2. 4 g lighter than the original parts, offering a noticeable efficiency gain where