Hobbydex / RC cars / Boom Racing / BRPG4821

BRPG4821 · Steel Pinion Gear 48P 21T

Source: Boom Racing.

Brand: Boom Racing
Part number: BRPG4821
Category: Pinions · more from Boom Racing
Product page: manufacturer website
Material: steel
Gear: 21T, 48 pitch
Spec: 21T pinion, 48 pitch
Teeth: 21
Pitch dp: 48
Modified: 2026-10-24

To scale, from the tooth count and the pitch.

Equivalent to

Generic spec	Match	Standards	Source
21T pinion, 48 pitch	functional		Pitch and teeth parsed from the manufacturer's description; check the bore

Used in

No release lists this part yet.

Data: BRPG4821.toml on GitHub · report an error