TT-01 TYPE-E Replacement Spur Gear 55/58/61T for Tamiya - TT01-28 by 3Racing  [TT01-28]

This replacement spur gear set suits the Tamiya TT-01 TYPE-E and is offered as model TT01-28. It features three tooth-count choices - 55T, 58T and 61T - allowing drivetrain ratio changes without moving the motor mount or altering the chassis.

Tuning overview: swapping the included tooth-counts is an effective way to trade acceleration for top speed depending on the circuit or driving approach. Smaller tooth counts give stronger acceleration, while larger tooth counts favour higher top speed and a more linear low rpm delivery. These options keep your existing pinion and motor pairing on the TT-01 TYPE-E.

Fitment checklist: this spur is intended to replace the main large gear inside the TT-01 TYPE-E gearbox. On installation, confirm correct mesh with the motor pinion, ensure the spur runs true on the shaft and that the gearbox bearings support it without side play. Run a low-speed drivetrain check to confirm quiet, free rotation before aggressive testing.