This 86-tooth spur is a direct aftermarket replacement made for use with TRAXXAS 1/10 2WD platforms listed below. Constructed from hardened carbon steel with a 48P tooth profile and finish-machined faces, it replaces the factory nylon spur to offer a metal option for rear gearbox power transfer.
Fitting is straightforward for anyone used to basic drivetrain service on TRAXXAS models. Remove the rear gearbox cover, note the existing gear mesh and shim setup, swap the nylon spur for the 86T steel unit and use the supplied stainless washers to fine-tune mesh. Retorque fasteners to the original specs and confirm the drivetrain spins freely before running.
Performance notes: changing from nylon to steel alters wear on the mating pinion and bearings, so inspect these parts more often. Ensure your pinion uses a compatible 48P profile and set correct mesh to prevent binding and premature wear. This part is intended for RC drivetrain use only and should be matched to the compatible models list.
4690,4683,4686
Choose this steel spur when you prefer a metal gear for consistent power delivery; replace any worn mating pinion or bearings as required and always verify mesh after fitting.
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