Revolution Design B7 | B84 Ultra Lightweight Differential Outdrive Set (For 10.5T or slower | 2pcs) A12 Compatibility: Bottles up to 13

Compatibility: Bottles up to 13 cm in height and 4

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

The turnbuckles are available in three versions:

7 mm deeper in the tray

the Steel Chassis Conversion set is here

Revolution Design B7 | B84 Ultra Lightweight Differential Outdrive Set (For 10.5T or slower | 2pcs) A12 Compatibility: Bottles up to 13The 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