If you’ve ever read about SRAM’s 1x11 groupset options (including the new Force and Rival road setups), you’ll likely have seen reference to an ‘XD Driver’. Simply put, this alternative freehub design ...

Solid, reliable single-ring performance with existing freehub compatibility at an excellent price Buy if, You want to go 1x11 but don't think you can afford it There are two main differences between ...