This Kyosho LA402-03 diff bevel shaft is supplied as a two-piece RC replacement intended for the LAZER ZX7.5 differential assembly. It is used to restore accurate bevel gear engagement inside the diff, helping sustain correct torque transfer and steady gear meshing after parts have worn.
Practical notes for hobby use: check ball bearings and bevel gears for signs of wear before installing the new shafts, keep contact areas clean, and measure diff housing clearance during assembly. Correct installation ensures bevel gears remain aligned, which supports predictable drivetrain behavior in 1/10-scale models.
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