Shimano Acera SL-M310 Rapid Fire Shifter 3x7 Speed Trigger Shift Levers Set with Inner Shift Cables Black Front speeds: 3; Rear speeds: 7, Rear shifter for 7-speed (rear) cassette setup Configuration: Trigger, Indexed speed indicator, easy to read optical front displays RapidFire dedicated up and down shift levers, compatible with most mountain/hybrid bikes with flat handle bars Comes with the inner cable installed & 2pcs end caps (no housing) Excellent quality products, quick delivery, superb customers care, warranty: 2 years