ARRMA Mini Kraton 3S 1/16 20CrMnTi Steel 30T/12T Rear Differential Gear Set by GPM MAKM1230R  [MAKM1230R]

Rear differential gear set for Mini Kraton 3S

This rear differential gear set is an aftermarket replacement designed for ARRMA Mini Kraton 3S 1/16 scale brushless trucks. The kit includes a spiral cut 30T bevel ring gear and a 12T rear pinion gear in 0.8 module, matching the stock geometry for direct fitment with the listed models.

Manufactured from 20CrMnTi steel with a hardened black surface treatment, the gears are intended to improve wear resistance under high-load RC use while maintaining smooth meshing thanks to the spiral cut profile. The set directly replaces the factory items ARA-3294+ARA-2672 and is supplied as the ring gear and pinion pair.

Installation notes: the supplied gears come pre-assembled in the kit, and it is recommended to apply a medium-strength screw glue on fasteners to reduce the risk of loosening during running. Check backlash and gear mesh with the stock 0.8 module settings, and verify differential action before full-power testing.

Choose this GPM replacement ring and pinion when you need a hardened steel option that preserves stock geometry and aims to extend service life under aggressive RC running conditions.