Parts/Drivetrain/Differentials & diff parts/MST RMX Rear shaft ball diff. set (40-13)
MST RMX Rear shaft ball diff. set (40-13)
MST

MST RMX Rear shaft ball diff. set (40-13)

Part # MXS-2105205.0(2)
Where to buy
$40.99
AMain Hobbies
Seen Oct 12, 2026
$40.99Buy
Prices are as last seen at the store; stock is not tracked.

About this part

The MST RMX Rear Shaft Ball Differential Set is an upgrade for the RMX 2.0 S, as well as the RMX-D kits equipped with the optional 4WD conversion (MXS-210452).  Package includes precision machined outdrives, and the rest of the parts to build one complete ball diff with 40/13T gearing.

Reviews5.0 · 2 reviews

Phillip LeonardVerified owneron MST RMX Rear shaft ball diff. set (40-13)

I used this diff on a pan car chassis, which I used for a drift car. Held up great to a 10.5t motor and acuvance ESC!

Steven GosselinVerified owneron MST RMX Rear shaft ball diff. set (40-13)

Perfect diff everyone should have come with all hardaware and shim

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