Left 3 Speed Thumb Shifter And Right 7 Speed Gear Shifter With Gear Indicator For 21 Speed Bicycles, MTB Mountain And Road Bikes, Trikes, Built Tough For Smooth Shifting On Trails
✔️ Left 3-speed and right 7-speed pair, cables 1.8m & 2.05m
This 21-speed thumb and right shift pair upgrades your bike's shifting, delivering a smooth 3x7 gearing setup that fits most bicycles from MTB to road bikes and trikes. It includes a clear gear indicator for quick reference on trails and urban rides.
✅ Model: 3x7 21 speed left 3-speed, right 7-speed, 1 pair
✅ Left 3-speed cable length: 1.8 m (1800 mm, 70.87 in); Right 7-speed cable length: 2.05 m (2050 mm, 80.71 in); Weight: 0.57 lb; Handle set diameter: 22.2 mm (0.874 in)
✅ Display window: gear speed visible while riding for convenience and safety
✅ Performance: smooth shifting across 3x7 gears with reliable engagement
✅ Universal fit: works with most bikes like MTB, road, electric, folding, and women's bikes
✅ Color: 3x7 speed
💡 What is a 21-speed bike shifter pair used for on mountain and road bikes?
It’s handy for precise gear control across varied terrain while maintaining a clean cockpit.
- 21-speed configuration (3x7) for wide gear range- Displays current gear in a clear window for quick checks
- Fits standard 22.2 mm handlebar diameter and uses common cables