DT-Swiss Hub and Wheel Axle Conversion Kits. Features: Most kits include a pair of adapters only (bolt, axle, and quick release available separately) DT-0549 includes end caps only and converts 10x135mm QR to 11 speed Road/CX 12x142mm TA applications. Requires an 11 speed specific freehub body sold separately (DT-0427) DT-0545 includes a pair of adapters and one hub axle and is compatible with 240s hubs/wheels produced prior to July of 2010 (chrome-style logo sticker) DT-0547 includes end caps only and is compatible with 240s hubs/wheels produced after July of 2010 (white logo sticker) For 12x150mm to 12x157mm conversion, use DT-0547/DT-0609 (12x142mm conversion endcaps) Kits can also be used for replacement axle caps if needed IS: 6-bolt / 44mm BCD International Standard, CL: 35mm spline CenterLock QR: quick-release, TA: thru-axle, TB: thru-bolt For any conversion questions, please email [email protected] Specs: Converts To:12x100mm TA Stock Configuration:- Hub Wheel Model:front (CL): 180 (blk)/17mm OD axle Remarks:Also compatible:2016+ Spline1501, XMC1200, RR21 Dicut Disc and RC Carbon