ITEM NAME:Steel Crown Gears Pinion Cogs 38T 13T Set for Axial SCX10 90028 90027 90034 Description: - 100% Brand new and high quality - Suit for Axial SCX10 90021, 90022, 90035, 90028, 90027, 90034 RC Cars - Scale: 1/10 - Color: Titanium - Material: Steel Size Chart: 13T Diameter: approx. 11mm 38T Diameter: approx. 37.15mm Package Included: 1 Piece 13T Gear 1 Piece 38T Gear Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item Due to manual measurement, there may be 1-2mm error in size.Suit for Axial SCX10 90021, 90022, 90035, 90028, 90027, 90034 RC Cars. 1 Piece 38T Gear. 1 Piece 13T Gear. - Material: Steel. Due to the difference between different monitors, the picture may not reflect the actual color of the item.