This is an RC-scale 2nd gear designed for the NT1 chassis, supplied by Arrowmax as AM-NT1-338522. Machined from 7075-T6 aluminium with a hard coat finish, the part is intended to replace the stock 2nd. gear in NT1 setups where a hardened aluminium option is preferred for tuning and longevity. The tooth count for this item is 22T, with matching options available across a range of teeth for finer gear-ratio adjustments.
Functionally the gear serves in the clutch/pinion position of the drivetrain and is produced to mesh with the NT1 spur gear geometry. Installation follows the same service steps as a standard 2nd. gear swap on XRAY NT1 series cars, using the original mounting hardware and basic wheel/drive removal procedures used for gear access.
On-track use: selecting a different tooth count alters acceleration versus top-speed balance; higher teeth generally favour top speed, lower teeth favour acceleration. The 7075-T6 hard coat treatment aims to reduce surface wear and maintain gear-to-gear mesh under repeated running, useful during tuning sessions and race weekends.
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