Arx Latin for stronghold and bridge is 3T's race-proven design for the perfect connection between fork and handlebar and suited to all cycling disciplines. Clamp design is optimized to ensure a secure fit on composite steerer's and bars without the need for potentially damaging high torque values during assembly. 3T in house tests show Arx's clamp by far exceeds the CEN standard and also that it works very well with other brands of handlebar. Arx Pro is the value model of the range made of AL 2010 with the grain structure aligned for optimal strength. Weight is 135 g.