This is motorcycle crankshaft; it is the heart of a small engine, many kinds of type, suitable for all motorcycle engines, materials: excellent quality nodular cast iron. National standard: JB/T6728-93. High-precision, the product has the quality of being durable and has reached advanced world levels, smooth running, small, high efficient and easily controlled, various surface treatment after forging, such as machining, polishing and plating. Features: adopted excellent raw material, ensure the product take the advantage of wear resistance, corrosion resistance and high strength, perfect in workmanship, more reliable and durable, long working life, genuine parts, strict QC system, quality guarantee. Strictly international quality control system. Can adapt to customer’s specific request and also can make new model according to customer’s sample or designing draft.