Sram force cx1 x sync narrow wide chainring sram force cx1 one less barrier to cross the new sram force cx1 groupset is a complete high performance 1x11 cyclocross drivetrain created by blending the best of srams revolutionary xx1 mountain bike and road technologies this is a single ring 11 speed complete drivetrain that is lighter simpler and tougher while offering a clean look and optimal gear selection for cyclocross sram force cx1 offers better chain management and smooth shifting no m