The all new Cinema VX2 hubs are both RHD & LHD compatible through a SDS (switch drive system) driver. VX2 hubs feature a 14mm Heat-Treated Chromoly axle. The Tough shells are made from heat treated 6061 aluminium & with a 9t chromoly driver with all new ceramic bushings & 2 nylon guards the VX2 hub is bomb proof. section Product Specs HUB TYPE: Cassette AXLE: 14mm Male DRIVER: 9t SPOKE HOLES: 36h WEIGHT: TBC