This 16T first gear pinion suits XRAY NT1 applications and carries the Arrowmax part code AM-NT1-338516. Crafted from 7075-T6 aluminium with a hard-coated finish, it offers a lightweight option that maintains accurate meshing with the spur while supporting quick gearing changes between heats.
It installs as a direct replacement on NT1 clutch and pinion assemblies requiring a 16T choice. Use the pinion to take small steps in gear ratio when adjusting acceleration or top speed; mixing pinion and spur tooth counts changes the overall final drive without altering the gearbox layout.
Assembly advice: set correct pinion to spur clearance before running, make sure the set-screw engages the motor pin straight and without cross-threading, and check for any machining residue. The hard-coated 7075 construction prioritises tooth durability and consistent profile rather than changing motor or ESC performance.
Arrowmax offers this NT1 pinion across tooth counts 16T through 23T including 16T, 17T, 18T, 19T, 20T, 21T, 22T and 23T so you can fine-tune ratios while keeping common material and finish.
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