The Dynamic cassette hub is all about speed and performance. This hub offers an incredible 48 points of engagement thanks to the unique pawl design. The result is an incredibly strong and precise feeling with instant and positive engagements that inspire confidence. Subtle detailing on the flanges and a smooth and organic form give this hub the looks to back up what’s going on under the hood. This hub includes Eclat\'s Viper nylon-fibreglass hubguard. ###section### Product Specs HUB TYPE: Cassette AXLE: 14mm Male DRIVER: 9t SPOKE HOLES: 36h WEIGHT: 586g / 20.6oz