Spank spoon xx1 freehub bodythis freehub body can convert a spoon or spike rear hub to the sram xx1 11 speed system the freehub makes these wheels compatible with the sram 11 speed cassettes and it is compatible with most modern axle standards features material alloy freehub body including bearings compatibility 10x135 12x135 12x142 12x150 and 12x157 hubs and axlesbuyspank wheels tyresfrom chain reaction cycles the worlds largest online bike store