Specifications:
3 speed left brake lever, 7 speed right brake lever, totally 21 speed for optional.
Item Name: Bicycle Brake Lever
Material: Plastic
Right Lever: 7 Speed Trigger Shifter
Left Lever: 3 Speed Trigger Shifter
Features: Lightweight, Useful, Bicycle Parts
Size: 17.5cm x 8cm x 3.5cm/6.89" x 3.15" x 1.38" (Approx.)