Sunrace M20 Twist-Shifter 7 Speed Index Right Hand Key Features • Shimano Compatible • M20 Twist-Shifter 7 Speed Index Right Hand • Cable Adjuster Attached • 2:1 Actuation Ratio • Handlebar Diameter 22.2 • Cable Adjuster • Light Action Shift - Both Directions • TPR Grip • Slick-Galvanized Cable • Weight - 90g