Traxxas UDR Rear RC Differential Gear Set - 8577 24x12E and 77136-4 as confirmed by

and 77136-4 as confirmed by Traxxas part reference TRX7895R

Direct replacement for the standard Traxxas wheelie bar assembly

maintaining the standard T-Maxx monster truck profile

Ideal as a crash repair part or a spare to keep your plane flying

Traxxas UDR Rear RC Differential Gear Set - 8577 24x12E and 77136-4 as confirmed byThe Traxxas TRX8577 is a rear differential gear set designed as a direct fit replacement for the Traxxas Unlimited Desert Racer (UDR). The UDR's rear differential takes significant stress during hard bashing and high speed desert style running, and this genuine Traxxas part restores the drivetrain to factory spec when gears wear or sustain damage. If you're chasing down a loss of drive or grinding from the rear end of your UDR, this is the correct