3x7 21 Speed MTB Bicycle Shifter Brake Combo Set

Specification Value Brand Generic Product Name 3x7 MTB Bicycle Shifter Brake Combo Set Product Type Integrated Gear Shifter and Brake Lever Set Speed Configuration 3 Front × 7 Rear (21-Speed) Left Shifter 3-Speed Front Derailleur Control Right Shifter 7-Speed Rear Derailleur Control Brake Lever Type Integrated Mechanical Brake Lever Material Aluminum Alloy, Plastic and Steel Gear Operation Indexed Trigger Shifting Compatibility MTB, Road Bike, Hybrid and Trekking Cycles Cable Included Integrated Brake Cable Compatible Mounting Type Handlebar Mounted Ergonomic Design Comfortable Thumb and Finger Operation Durability Corrosion and Wear Resistant Installation Easy Installation and Adjustment Color Black