Features: Tower base claw spring repair enhances your cycling experiences. Consist of durability steel, which have excellent wear resistance and corrosions resistance. Suitable for enthusiastic cyclists and cycling enthusiasts who require reliability bicycles maintenance solution. Suitable for daily bicycles maintenance or emergencies repairs. Ensuring the smooth and reliability performances of your bicycles wheel Hub. Specifications: Color:13 Elections Dimension:12×6.2mm/0.47×0.24in Component:Steel Package Includes: 4pcs Durability Steel Bike Hub Claw note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.