DT Swiss 240s 15mm End Caps: Fit 240s 20x110mm Thru Axle Hubs Only Same compatibility as DT # HWYXXX00S2477S, but no knurling Thread-in end caps convert 240s 20x110mm front hub to 15x100mm 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.