Hope pro 3xc3xc6sp24 front conversionthis pro 3xc3xc6sp24 front conversion enables you to use your favourite hope hubs in your new road gravel or cyclocross bikes 12mm thru axle forks features converts standard non boost pro 3xc3xc6sp24 front hubs to suit 12mm thru axle forks hope part number hub481buyhope componentsfrom chain reaction cycles the worlds largest online bike store