This 23-tooth 2nd gear pinion is an aftermarket part built for the XRAY NT1 platform and sold by Arrowmax as AM-NT1-338523. Crafted from 7075-T6 aluminium with a hard-coated finish, the pinion emphasises steady mesh with NT1 spur gears while reducing rotating mass for predictable driveline behaviour.
Tuning guidance: choose this gear when you need to change the final ratio or when matching a different motor pinion during setup. The pinion fits directly into the NT1 gearbox sequence; verify gear mesh and endplay during installation and check run-in friction before full-throttle use.
Installation pointers: follow the NT1s original clutch/pinion mounting process, hand-tighten to seat then loosen slightly to achieve correct engagement, and ensure the coated face does not rub the spur. Arrowmax offers alternative tooth counts in the same design so you can tune acceleration versus top speed while respecting NT1 drivetrain limits.
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