DT Swiss 12 x 100mm Thru Axle End Caps, Fits 2016+ 180 Front Hubs Also fits the following wheels: XMC1200, Spline 1501, RR21 DiCut and RC Carbon Compatible with 2015+ black 180 front hubs (QR or 15mm). Does not fit white 180 hubs Front axle conversion kits convert your hub to fit a new axle measurement or for a new group set. Remember that all DT Swiss hubs can be converted.