Zero Loss Travel™2-step Front Shifting - uses cable to cradle to equalize overall effort Carbon and Brushed CNC'd Aluminum ChassisSuperior 1:1 Actuation Ratio™Adjustable Lever and Clamp PositionsAvid Matchmaker™ CompatibleCompatibility: SRAM 1:1® rear derailleurs, SRAM or Shimano® front derailleursSpeeds: 9Weight: 225g