Good Traction: RC tank track wheel with toothed tread consists of 12 track links and 2 pieces of 24 mm pitch track wheels. The wheel features a wide, high wear-resistant POM toothed tread. The large tread surface increases ground contact area, and the toothed design enhances traction on loose terrain such as rocks, debris, snow, sand, and silt. POM Wheel: The wheel has a high-strength POM track hub capable of withstanding heavy loads. The high wear-resistant POM tread and POM track body are securely fastened together using M4 screws and locknuts, forming a durable, high-strength tread that prevents slipping during operation. Grid Pattern Holes: The wheel includes a grid pattern of mounting holes. It features multiple holes with 8 mm grid spacing and 4 mm diameter, a central 14 mm diameter hole for bearing installation and concentric alignment, and four 4 mm elliptical holes positioned at 45 degrees around the central hole. A 12 mm hexagonal shaft is integrated at the center as the drive shaft. This allows compatibility with a 12 mm hex bore, high-speed, high-load shaft clamp for secure mounting in robotic applications. Easy to Install: Designed with a lightweight and compact structure, this RC crawler wheel is easy to install and ideal for replacing worn or damaged components. Package Includes: 1 x Crawler Wheel Item Type: Crawler Wheel Material: POM Diameter: Approx. 129.57 mm / 5.1 in Wheel Diameter: Approx. 120 mm / 4.72 in Tire Width: Approx. 123.85 mm / 4.88 in Center Hole: Approx. 14 mm / 0.55 in