Dromida Aluminum Spur Gear 45T Blue BX MT SC 4.18 Made by Dromida; Dromida is a United States based company; parts are sourced from Chinese producers Dromida part number C1105; UPC 707768211050 This item works with: Dromida BX4.18 Buggy, MT4.18 Monster Truck, SC4.18 Short Course, Wasteland