The Salt Plus Vertex Freecoaster Hub is a pro level sealed freecoaster utilising proven Eclat Cortex internals. It's built with an alloy hub shell that's paired with a 14mm hollow chromoly axle for maximum durability & strength, with two high quality bearings & bushing driver with high performance durable bearings in the hub shell. The Vertex also features a 9 tooth driver that utilises two bearings & a polymer bushing that's smooth. Its clutch styl emechanism features a large slack setting & unique 3-point friction system making crankflips easier. A Salt Plus Pro nylon rear guard & driver guard are included to keep your hub protected. section Product Specs HUB TYPE: Freecoaster AXLE: 14mm Male DRIVER: 9t DRIVE SIDE: Left Side Drive SPOKE HOLES: 36h WEIGHT: 671g (1.48lbs)