Quick installation and removal, left-hand 3-speed, right-hand 7/8/9-speed dial. [High Cost Performance]----- Cost performance is quite outstanding, it is a good choice for car friends who need high cost performance. [Two-Handed Control]----- Dial 3 speed with your left hand, dial 7/8/9 speed with your right hand. 1 Pair Bicycle 3x7 Speed Shift Leveres Thumb Gear ... u2013 Vicedeal Material]----- The gear shift derailleur is made of firm metal, lightweight and integrated design, easy to control. Composez 3 vitesses avec votre main gauche, composez 7/8/9 vitesses avec votre main droite. Sa qualité est stable, parfaitement compatible avec le système de contrôle de vitesse Bike Gear Bike Speed Gear Shift, 1 Pair Bicycle Thumb Gear Shifter 3X7/8/9 Bicycle Left/Right Trigger Shifter Derailleur For Mountain Bike Folding (3 * 8 Speed) Sportinggoods Bicycles And Spare Parts Bike Shifter Cable Vbestlife 1 Pair Triple 3X7/8/9 Speed Bike Bicycle Gear Shift Front Derailleur Left/Right Shifter for Shimano Speed Control System(3X7 Speed
