21 Speed Bike Shifter Set Left 3 Speed Grip Shifter Right 7 Speed Shifter For Mountain City Commuter Youth And Kids Bikes Smooth Reliable Twist Gear Upgrade For MTB And Hybrid Rides

21-Speed Shifter Set: 3x7 Twist Shifters for MTB - 1 Set ✔️ Indexed 3x7 shifting with pre-installed cables and anti-slip grips

This 21-speed shifter set provides a compact, reliable gear-control upgrade for MTB, hybrid, city, commuter, youth, and kids bikes. Not compatible with road bikes.

✅ Compatible with 21-speed bikes including MTB, city, commuter, youth, and kids' bikes
✅ Indexed shifting for precise gear changes with clear dial numbers
✅ Comfortable anti-slip grips for secure hold in wet conditions, long rides
✅ Cables: left 1.9 m (74.8 in), right 2.2 m (86.6 in) and fits 22.2 mm handlebars
✅ Lightweight, durable construction for daily riding and replacements

💡 What is a 21-speed bike shifter set used for?

A handy explanation of its purpose for riders choosing a 3x7 gear setup on compatible bikes.

- Upgrading or replacing worn shifters on MTB, hybrid, city, and youth bikes
- Enables smooth, indexed shifting across 21 gears for better control
- Works with pre-installed cables and standard 22.2 mm handlebars
- Helps riders maintain cadence and safe gear transitions on varied terrain