Sram force cx1 simplifies cyclocross to its essence rider and machine working smoothly and seamlessly no matter the conditions against the course and against the competition blending the best of srams revolutionary xx1 mountain bike drivetrain and sram road technologies the sram force cx1 11 speed complete drivetrain system is lighter simpler tougher and cleaner while offering optimal gear selection for cyclocross superior chain management and no more chain slap sram force cx1 offers