This matched 12T/24T bevel gear set is a direct replacement intended for the front and rear transmission units fitted to TRX4M scale models. Crafted from Harden Steel #45, the gears are built to resist wear during regular running and light performance upgrades while fitting the stock housings.
Installation requires a straight swap into housings that accept the original bevel gears. After fitting, verify tooth mesh and clearance to avoid premature wear. The set restores correct tooth engagement and suits routine maintenance or small tuning steps.
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