Each wheel is comprised of 8 TPR rollers. Load capacity is up to 3kg / 105.8oz, it is driven independently and has better stability. With high-quality TPR, the friction force is large and the tires are stable with no impact sound during operation. Specific walking patterns are straight, oblique, lateral, s-travel, and rotation at any angle with a radius of 0. The Mecanum wheel can move in any direction without changing the direction of roller skating. The structural parts are made of steel material, with a long service life and no deformation. Item Type: RC Accessories Body Material: Steel Roller Material: TPR Wheel Diameter: Approx. 48 mm / 1.9 in Wheel Width: Approx. 25.5 mm / 0.9 in Roller Length: Approx. 25.5 mm / 0.9 in Load Capacity: Approx. 3 kg / 105.8 oz Weight: Approx. 253 g / 8.9 oz Number of Rollers Per Wheel: 8 Pcs Number of Plates Per Wheel: 2 Pcs Suitable for: Robot Car 14209 4 x 48mm Mecanum Wheels