Triple Clamp - 25 mm - Blue Opposing Clamp System, ROCS for short, These triple clamp have lower deformation of the fork stanchions in the clamping area, which ensures more security against twisting of the fork by the self-locking effect, Clamping screws do not influence each other to create a more precise tightening torque, Lighter weight than standard triple clamps due to not having any material between the clamping screws, 1-1/8* bar mount