ITEM NAME:Metal Reduction Gear 64T + Motor Pinion 29T for HSP RC 94123 Upgrade Parts Description: 100% Brand new and high quality Durable metal construction for long-lasting performance 1PC Differential gear + 1PC motor gear Available for HSP 94123 1/10 on-road racing car Material: Steel Specification: Color: Titanium Size Chart: Main Gear Diameter: approx. 4cm Motor Gear Diameter: approx. 2cm Package Includes: 1 Piece 64T Main Gear 1 Piece 29T Motor Gear SKU: DMO0015991561016199.1 Piece 64T Main Gear. 1 Piece 29T Motor Gear. Color: Titanium. 1PC Differential gear + 1PC motor gear. Material: Steel.