Features: 1.Good Performance: This kind of bicycle hub is designed with 120 teeth so that the pawl bites the ratchet teeth at a small angle reducing loss you can order according to your needs. 2.Quick Release: There are 2 tools equipped in the package making it easy for you to remove the hub if it is broken making your repair easier and quicker. 3.Reliable: This mountain bike brake disc is made of aluminum alloy material sturdy and durable you can use it for a long time because it is not easy to be cracked or damaged. 4.Replacement: This bicycle hub can replace the old or broken one perfectly which makes your bike wheel work better and smoother saving your strength effectively. 5.High Speed: The 120T design makes your use easier which works with low friction there are designed with 2 types for choosing including 3 claws and 6 claws. Specification: Material: 7075 aluminum alloy Color: Black red purple FrontSize: Approx. 100*9mm/3.94x0.35inch Approx. 135*9mm/5.31x0.35inch Type: 3 claws 6 claws Note: Due to the light and screen difference the item's color may be slightly different from the pictures. Please allow a slight deviation for the measurement data and make sure you do not mind before ordering. includes: 2 * Bicycle Hubs(with 2 Piece Quick Release Tools)