BMX bikes have different types for different purposes, such as freestyle bike frame, dirt bike, street climber. The BMX bikes are usually ridden in a hard environment, such as climbing stage, racing, trails, flatland, freestyle, etc. so it needs high strength to ensure safety. BMX racing bikes are mainly used for racing events in BMX competitions. The hub also different from the BMX flatland bike, especially the wheel hub. BMX hub usually uses the ratchet with 9 teeth and V-brake, but for BMX racing bikes, they are usually using the centre lock and matching 16T or 18T BMX bike freewheel.
This hub model number is BH017, the material of hub body is AL6061-T6, the material of axle is AL7075, both are high strength material to ensure the safety riding. Many colours for customers to choose, we also accept customize order. We specialized in bike parts for more than 10 years and welcome to contact us for more information, we are happy to talk with you.