ARAC7875 · Pinion Gear 15T 0.8mod: 4x4

To scale, from the tooth count and the pitch.

Fits these platforms (4)

Platform	How	Source
ARRMA Big Rock	in the box (1 release); fitment list: direct	ARRMA part product pages on Horizon Hobby: the vehicles each part fits, as standard or optional part
ARRMA Granite	in the box (1 release); fitment list: direct	ARRMA part product pages on Horizon Hobby: the vehicles each part fits, as standard or optional part
ARRMA Senton	option (1 release); fitment list: direct · Optional part	ARRMA part product pages on Horizon Hobby: the vehicles each part fits, as standard or optional part
ARRMA Typhon 3S	in the box (1 release); fitment list: direct	ARRMA part product pages on Horizon Hobby: the vehicles each part fits, as standard or optional part

Generic spec	Match	Standards	Source
15T pinion, module 0.8	functional		Pitch and teeth parsed from the manufacturer's description; check the bore

Year	Release	Role
unknown	ARRMA Granite 3S 4X4 RTR Brushless Monster Truck, orange/black	in the box
unknown	ARRMA Senton 3S 4X4 RTR Brushless Short Course Truck, green/black	option
unknown	ARRMA Typhon 3S 4X4 RTR Brushless Buggy, black	in the box
unknown	ARRMA Big Rock 3S 4X4 RTR Brushless Monster Truck, blue	in the box

Compatibility according to the manufacturer's parts lists; see each release for the source document.