SRAM Centera Twist Shifter

The Sram Centera Shifters use 2:1 Shimano, SRS TechnologyPerformance Level: RecreationSpeeds: 8 Rear, 3 FrontIndicator: Quick View WindowBody: 58mm Overmolded Half Pipe with lightweight Grilon, painted finishCompatibility: Shimano rear derailleurs, Sram or Shimano front derailleursOther: Easy cable change.