The Antigram cassette hub is Odyssey new top of the range hub which feature G-sport ratchet technology which allow this hub to be switched from RHD to LHD. This hub also features an 7075-T6 aluminium shell with tough 14mm female bolts that screw into a 17mm 4130 chromoly hollow axle. Compatible hub guard available, Black only. When ordering let us know whether you would like this hub setup RHD or LHD in the special instructions. section Product Specs HUB TYPE: Cassette AXLE: Female Bolts DRIVER: 9t SPOKE HOLES: 36h WEIGHT: TBC