Feature: * 100% new and high quality * Wear, mute, load-bearing, double bearing, rotating flexible, Shifting effort, effortless than the original luggage wheels are easy to use. *Buyers need to measure the following data to know which size is suitable for the wheels 1, measurement of the original wheels outside diameter (wheel size). 2, the inner groove width of the measuring wheel (the width of the total installed width). 3, by the rivet screw to measure the length of the wheel (excluding the nuts at both ends) 4, measured by the diameter of the rivet tube of the wheel (i.e. the width of the bearing hole) Details: Color: black Material: rubber metal Bearing diameter: 21mm Bearing inner diameter: 6mm Wheel Diameter: A:40mm,B:43mm, C:54mm, D:60mm, E:64mm,F:70mm Wheel Thickness: 18mm Axle Length: 35mm Package Contents: 1 Sets Luggage Case Spare Wheels (2 Wheels, 2 Axles, 2 axes screws, 4 washers, 2 wrenches) Notes: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.