This is an original stock replacement part by Arrma. It is a Pinion Gear with 31T MOD 0.5 and a CNC 3.2mm Bore.

Specifications:

• Manufacturer: Arrma
• Type: Pinion Gear
• Teeth: 31T MOD 0.5
• Bore: 3.2mm (1/8 inch)

Includes:

• 1x Pinion Gear 31T MOD 0.5 CNC 3.2mm Bore