The Samuel Alexander Red Pneumatic Wheelbarrow Wheel and Axel, measuring 15 x 3.4 inches, is a replacement heavy-duty wheelbarrow wheel. The overall dimensions of the wheel are 15 inches in diameter, with a 127mm diameter when the axel is in position for fitting. This pneumatic wheel has a sturdy tread that can be inflated up to 30PSI (2 Bar). The internal hole dimensions are 120mm long x 19.5mm wide. It also includes two bearings for easy movability and to help the wheelbarrow roll. The wheel comes with an axel and bolts for installation. It has a maximum load capacity of 210KPa and features a strong nylon innertube. While it should fit most heavy-duty 80 plus litre wheelbarrows, it is important to check compatibility. Please note that this wheel is not suitable for highway use.