






B7 3-Gear Transmission
This optional gearbox transforms your 5-gear B7 gearbox into a 3-gear configuration. This setup minimizes rotating mass and reduces friction in the drivetrain, leading to improved acceleration and efficiency.
Features and Specifications:
- Direct fit
-
Lightweight. 4g lighter than the kit 5-gear transmission, considering the removal of 4 bearings, two idler gears, two idler shafts, and one screw.
- Cut 39T Idler gear included [8mm wide]
- Inhouse precision machining
Fits:
RC10B7 [#90041]
RC10B7D [#90042]
Included:
- Left and Right Transmission Case x1
- Lightened 39T Idler Gear x1
- Rear Fan Mount x1
- M3x12 Button Head Screws, x3
- M3x14 Button Head Screws, x4
- M3x16 Flat Head Screw, x1
- M3 Locknut, Black x1
Tip: The transmission includes a fan mount that makes use of the stock fan location. Team drivers have found an additional mounting option by easily double-sticking the fan in front of the motor, between the motor and battery.
NOTE: This transmission requires the use of a lightened/cut 39T idler gear (included)