This 26-tooth aluminum pulley is offered as a direct replacement part for the XRAY NT1 1/10 on-road chassis and is presented as an RC-scale drivetrain component by 3Racing. Its role is focused: a hardened, lightweight pulley that interfaces with the NT1 spur and pinion arrangement to influence gear engagement and drivetrain feel during setup and tuning sessions.
Installation is straightforward for hobby workshops: remove the original pulley, confirm bearing fit and shaft alignment, fit the 26T pulley onto the shaft while maintaining correct mesh with the spur gear, and secure fasteners without over-torquing. Check for smooth rotation and minimal lateral play before finishing a setup run.
On the setup bench the pulley is a tuning tool rather than a performance magic bullet. Changing tooth count or material can alter mesh characteristics, audible feedback, and perceived drivability. Use this pulley when you want a metal option to test for reduced flex or different wear characteristics compared with stock parts, and always verify compatibility with the NT1 gear stack and bearing sizes in your car.
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