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: 12x142mm TA Stock Configuration: 10x135mm QR Hub Wheel Model: rear (IS): 3.30RD/3.30RDTi / Alpha/Grail Remarks: For second generation or Type II rear hubs. These Type II hubs have steel end caps and the left end cap is not threaded