- High-Quality Materials: The 1.9 crawler tires are crafted from a combination of soft rubber, plastic, and foam inserts. These environmentally friendly materials enhance durability and practicality. The built-in foam insert provides strong shock absorption and excellent wear resistance, effectively reducing vibrations on uneven surfaces. - Size Specifications: Each tire has an outer diameter of 108 millimeters (4.25 inches) and a width of 40 millimeters (1.57 inches). Please verify these dimensions before making a purchase to ensure compatibility with your vehicle. - Compatible Models: These 1.9 crawler tires are designed for most 1:10 scale remote-controlled tracked vehicles, including popular models such as TRX-4, D90, D110, TF Tiangong, CC01, Axial SCX10, 90047, SCX10 III, AXI03007, and Redcat Gen8. Upgrading to these tires enhances your RC vehicle’s overall performance and visual appeal. - Terrain Performance: The specialized tread design and deep grooves of the 1.9 crawler tires provide exceptional traction across various terrains, including grass, mud, snow, sand, and rocky landscapes. They are particularly effective in off-road conditions, making them an ideal choice for outdoor adventures. - Use Scenarios: Whether you’re navigating through muddy trails, climbing rocky hills, or driving on sandy dunes, these tires deliver the grip and stability needed for a successful off-road experience. Perfect for enthusiasts looking to enhance their RC adventure in diverse environments.