- 4piece carbon fiber beadlock wheel rims in 1.9 size for 1/10 scale RC crawler cars, designed for Axial SCX10 and TRX4. - 4piece construction delivers durability and strength for 1/10 RC crawler applications, with beadlock to securely retain tires on rough terrain. - Carbon fiber material provides a high strength, visually premium upgrade for 1/10 scale crawlers compatible with Axial SCX10 and TRX4. - Benefits include secure tire seating, reduced bead slippage on aggressive trails, and a stylish, functional upgrade over stock wheels. - Use scenarios 1) Trail crawling on rocky terrain with Axial SCX10 or TRX4, where beadlock prevents tire bead from loosening during descents. 2) Technical rock crawling on steep or uneven surfaces, providing reliable bead retention on aggressive climbs. 3) Upgrading from factory plastic wheels to carbon fiber for improved durability and a premium appearance on 1/10 scale crawlers.