This 26-tooth aluminium pulley is offered as a straightforward replacement for the XRAY NT1 1/10 on-road platform and provides a durable, light option for drivetrain tuning. It interfaces with the NT1 spur and pinion stack to influence engagement characteristics and handling feel.
Fitment is simple with basic tools: remove the stock pulley, check bearing fit and shaft alignment, mount the 26T pulley while setting correct mesh to the spur gear, and tighten fasteners carefully. Verify smooth rotation and minimal lateral play before track testing.
On the bench the pulley acts as a setup tool rather than a performance cure. Changing tooth count or material affects mesh, wear and the way the car communicates through the drivetrain. Use this metal pulley to compare flex and wear against original parts, and always confirm matching sizes for your NT1 gears and bearings.
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