Stan's Hub and Wheel Axle Conversion Kit. Features: 3.30 and 3.30HD kits include a pair of adapters only (bolt, axle, and quick release available separately) Not compatible with Boost 110 or 148mm hubs Instructions and hub determinations are available online @ www.notubes.com Specifications: Converts To: 9 x 100mm TB Stock Configuration: 9 x 100mm QR Wheel: Front Hub Model: 3.30HD / Flow EX disc