Features 1、Excellent Technology: Hub freewheel ratchet adopts excellent manufacturing technology, and the surfaces are finely polished to ensure strength and improve fastening reliability. 2、Chrome Molybdenum Steel: Cassette locking tool is made of chrome molybdenum steel with high strength, rust resistance and durability. 3、Ideal Replacement: Cassette lockring tool is a DIY replacement part for bicycles, which can be used to replace old or broken parts. 4、Easy to Use: Bike cassette lockring tool is easy to install and disassemble, saving time and labor, and easy to use. 5、Compact Portable: Bike cassette lockring tool is light in weight, small in size, compact in structure and easy to carry. Item Type: Bike Cassette Lockring Tool Material: Chrome Molybdenum Steel Speed: 8,9,10 (Mountain Bike) Applicable:For Ball Hub or Bearing Hub with the Same Base Structure. Package List 1 x Bike Cassette Lockring Tool 1 x Accessory