ITEM NAME:Heavy Duty Steel Helical Bevel Gear Set 8T 30T For Axial SCX10 II AR44 9004 K1B Product Description Description: Package Size: 10*7*3 (CM) Weight: 0.04 KG Material: stainless steel; Surface treatment: dyeing; Compatible with Axial AR44 axles Hardened steel for increased strength Provides over drive for the front axle Included: 8t Pinion *1 30T Bevel Gear *1.Compatible with Axial AR44 axles. 30T Bevel Gear 1. 8t Pinion 1. Hardened steel for increased strength. Material: stainless steel;. Provides over drive for the front axle. If item is defective after 3 months, you can still send it back to us.