The SMJ1202 hardened steel gear set fits inside the AXIAL Racing SMT10 differential assembly and is supplied as a matched 2pcs set. The hardened construction improves wear life versus stock brass or soft steel gears, helping preserve accurate tooth engagement during demanding off-road use.
Installation follows common diff rebuild practice: disassemble the diff, remove the factory gears, install the SMJ1202 gears, set mesh and backlash, and verify free rotation using the original bearings and shims. No extra hardware or tools are included, so work on a clean surface and use your standard diff tools.
These gears are intended as a durability and reliability upgrade, focusing on stable power transfer rather than changing ratios. They are recommended when stock gears begin to show wear or when higher torque setups call for tougher internal components. Regular lubrication and visual checks will help maintain smooth engagement.
Fit SMJ1202 as part of a durability-focused drivetrain build or when refurbishing worn SMT10 diff internals.
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