4 PCS Bicycle Spring Quick Release Hub Elastic Stainless Steel Accessories Brand New and Features: Material is especially for quick release hubs stainless steel for high strength and resilience Great accessory for bike hubs Quick Release Strength. Only 4 Springs other accessories demo in the picture are not included Specifications: Material: Stainless Steel Type: Quick Release Color: Silver Size: Size Quantity: 4 Note: 1. Due to manual measurement, please allow 1-3cm discrepancy. (without retail package): 4 x Springs