Acorn Racing lightweight pinion gear

Acorn Racing have released a complete line of high precision ultra lightweight pinion gears. Averaging about 2 grams each, these gears are made of aero grade T6 duralumiun and hardened for strength and durability and each piece is machined cut for precision and concentricity. The 64 pitch pinions range from 18T to 48T.

Source: Acorn Racing [acorninnovations.asia]