Features: This bicycles shifter levers supports conversion from 10 speed or 11 speed cassettes to 4-5-6-7 speed cassettes. Comes with a 1940mm long speed cable, ensuring convenience and readiness for immediate bicycles handlebar thumb shifter installation. Make from high strength aluminum alloy, light weight, strong and corrosions resistant. Offer a fine texture and smooth shifting experience, allowing you to go up a gear with ease and precisions. The bicycles shifter levers is easy and smooth to control, and provides a comfortable hand feeling. Simple and stylish design upgrades the appearance of the bike. Specifications: Component: Aluminum alloy Color: Black Red Color/Black Metal Color Size: about 5.9x4.9x3.3cm/2.32x1.93x1.3inch Package Includes: 1pc Bicycles Shifter Levers with shifts Cable note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.