Description: After disassembling the hub bearing, its structure facilitates the insertion of the extractor and the extraction of the bearing, so as not to damage the parts. The clamp is in contact with the bearing through the inner ring for clean and quick pull-out. Compatible with bearings with 10, 12, 15, 17 or 20mm inner bushes. Ideal for replacing fitness magnetic elliptical trainer and bicycle bearings. Including: 5 Extractor, 1 Disassembly tool. Specifications: Material: composite material Size: Extractor diameter 10MM, 12MM, 15MM, 17 MM, 20MM Note: - There might be little error of size for manual measurement. - Due to different lighting effects and monitor settings, the actual item's color may not exactly reflect the color on pictures. Packing list Package Includes: 5 x Extractor 1 x Disassembly tool