Description Rear axle conversion kits convert your hub to fit a new axle measurement or for a new group set. All DT Swiss hubs can be converted. QR x 135/142mm : For 2011 rear hubs QR conversion caps XD, 12 x 142/148mm: DT 12 x 142mm and 12 x 148mm rear hubs use the same end caps Also used for 12 x 157mm, 12 x 177mm and 12 x 197mm spacing End caps do not convert non-Boost hubs to Boost 148mm spacing. DT 142x12mm and 148x12mm hubs simply share the same end caps
