Stan's Hub and Wheel Axle Conversion Kit. Features: Neo kits include a pair of adapters and quick release skewer 3.30 and 3.30HD kits include a pair of adapters only (bolt, axle, and quick release available separately) SX-9905 includes adapters, threaded axle, bolts and washers IS: 6-bolt / 44mm BCD International Standard QR: quick-release, T-B: thru-bolt, TA: thru-axle Not compatible with Boost 110 or 148mm hubs Instructions and hub determinations are available online @ www.notubes.com Specs: Converts To:10x135mm QR Stock Configuration:12x142mm TA Hub Wheel Model:front (IS): Neo