Specification Assembly Required: Yes Material: Steel, Aluminum Alloy, Plastic Process: Welding Color: Red, Black Style: Modern Applicable Tire Size: 40.64-53.34cm/16-21in Rough Steel Tube Length: 20.3cm/7.99in Center Bracket Round Tube Diameter: 1.9cm/0.748in Square Tube Length: 28.7cm/11.3in Center Bracket Size: 25.1*10cm/9.88*3.94in Duck Head Adapter Size: 19.1*6.6cm/7.52*2.6in Package Included 1* Manual Tire Change Tool with Duck Head Adapter 1* Center Cone.
