Bike Shifter And Brake Set 21 Speed Left Three Speed Right Seven Speed Shifter Lever With Cable Housing End Cup For Mountain City And Folding Bikes Smooth Shifting With Visible Gear Display

Left 3-Speed / Right 7-Speed Shifter Set with Cable Housing
✔️ Left 3-speed and right 7-speed shifters with cable housing

This bike shifter and brake set is designed to upgrade or replace gear shifting for mountain, city, and folding bikes. It combines a left 3-speed shifter with a right 7-speed shifter, delivering a 21-speed system when paired with the proper chain and derailleur. It includes cable housing and end cup for easy installation and neat routing.

✅ 21-speed compatibility for mountain, city, and folding bikes
✅ Left 3-speed lever paired with right 7-speed lever for smooth shifting
✅ Optical gear display shows gear position at a glance
✅ Includes cable housing and end cup for quick setup and routing

💡 How does a bike shifter set with 21 speeds work and what should I look for when buying?

A handy overview to help you choose. - compatibility with your drivetrain - smooth shifting and gear display clarity - durable construction with included housing - easy installation and adjustment tips