Dt swiss conversion kit 20mm to 9mm thru bolt frtchanging your forks or got a front wheel that doesnt suit your quick release forks with these end caps you can convert a dt swiss fr2350 front wheel or a dt swiss 440 freeride front hub into a9mmthru bolt suitable for15100mm 440 fifteenfreeride ta front hubfr2350 front wheelmanufacturers code hwg44000s1581sbuydt swiss wheels tyresfrom chain reaction cycles the worlds largest online bike store