Now available from Answer-RC are 48dp double hard coated pinion gears. Each one is individually machined from 7075 aluminium and double hard coated for reduced wear. Depending on the size the pinions weight between 0.9g for a 14T and 2.1g for a 30T, sport a spare grub screw hole and even come with a spare screw.

Source: Answer RC [answer-rc.com]