sourcing map Mod 1 M1 Pinion Motor Gear Set 5pcs 21T 22T 23T 24T 25T Fit 5mm RC Motor Shaft M1 Pitch Gears for RC Car, with Hex Key

1. Diametral Pitch: 48DP, Gear Aperture: 5mm / 0.2inch, Gear Height: 14mm / 0.55inch, Teeth Number: 21T 22T 23T 24T 25T
2. Mod 1 is the pitch of each tooth on the pinion gear and the 21T 22T 23T 24T 25T is the number of teeth on the pinion gear. Please make sure your spur gear and pinion gear have the same pitch, or the teeth won't mesh.
3. The RC car pinion gear set is made of quality 4...