... : 8pcs, 75x13mm;7pcs, 90x16mm;9pcs,90x16mm 3.Axle: 2or3axle Frehauf Mechanical Suspension parts Frehauf SuspensionCapacity: 11T, 13T, 16TSpring: 8pcs, 75x13mm; 7pcs ... , other material requested can be adopted if customer demands, F series Mechanical Frehauf Suspension