Manufacture various wheel assemblies for motorcycles. Features and specifications: 1) Dimensions: 16", 17", 18", 19", 21" in 1.4, 1.6, 1.85 2) Brake System: Drum 3) Strong frame 4) Light weight 5) Good hardness 6) Excellent elasticity 7) No mark of welding seam 8) An ideal choice of various motorcycles