This Delrin spur gear is a single aftermarket replacement designed for the Tamiya TB04 chassis, offering a 48 pitch 66-tooth profile suitable for TB-04 spur gear positions. Supplied as 1 pcs, the gear is intended as a direct spare for worn or damaged TB-04 large spur gears and for hobbyists who need a durable plastic alternative to stock items.
Delrin (acetal) provides a balance of low friction and dimensional stability under typical RC loads, helping maintain consistent mesh and predictable wear characteristics on 48 pitch systems. Because this item is specified for TB04 use, verify tooth count and pitch when pairing with your motor pinion to preserve proper gear engagement.
Installation notes: install as an RC-scale spur gear replacement on TB-04, check axial alignment and mesh, inspect the gearbox bearings and pinion for wear before reuse, and confirm smooth rotation before final assembly. This part is intended for model use only.
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