Item Type: Bicycle Bearing Press Set Material: Aluminum Alloy Scope of Application: Press fit installation of pivot bearings of hub freewheel central axes soft tail frame Bearing Blocks: 6901 12x24, 6900 10x22, 6800 10x19, 22/24x37, 6903 17x30, 1526 15x26, R6 3/8x7/8, 6801 12x21, 1728 17x28, 6902 15x28, 6001 12x28, 6000 10x26, 6806 30x42, 6805 25x37, 6804 20x32, 6803 17x26, 6802 15x24, 608 8x22 (1 pair per model, 18 pairs in total) Application: For recirculating bearing pressure installation, bicycle repair 1、Replacement: This bearing installation kit is the perfect replacement for old or damaged bearings, you can give every wheel and body a new bearing 2、Press Block Taper Design: There are 18 pairs of press blocks in this kit, adopt taper design, only the outer space contacts the bearing shell when using, which effectively protects the bearing from damage 3、T Type Threaded Rod: The rod adopts T type threaded rod specially used for CNC machine, which can effectively improve the pulling force, reduce wear and tear, convenient and practical 4、Easy to Storage: This bearing kit is equipped with a storage box, which is easy to store and carry, convenient to use 5、Aluminum Alloy Material: This bicycle bearing press kit is made of aluminum alloy, CNC machined, hard anodized for long last durability 18 Pairs x Bearing Blocks 1 x Fixing Wrench 1 x Adjustable Wrench 1 x Threaded Rod 1 x Storage Box