Hot Racing WRA880H Aluminum Spur Gear (80T 48P) - Made by Hot Racing; Hot Racing is a United States based company; parts are sourced from Chinese producers All Hot Racing upgrade parts are direct replacements for stock components; additional parts are not required Hot Racing part number WRA880H; UPC 083745661262 This item works with: Axial AX-10 Deadbolt, AX-10 Ridgecrest Crawler, SCX-10 Scale Truck, Wraith 4WD Rock Racer RTR