ITEM NAME:Heavy Duty Steel Helical Bevel Gear Set 8T 30T for Axial Trx-4 #JT1 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 *1.30T Bevel Gear 1. 8t Pinion 1. Compatible with Axial AR44 axles. 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.