The M21 series from SunRace offers budget-friendly twist shifters for flat bar bikes, ideal for MTB, hybrid, and city use. With indexed rear shifting and friction-based front control, these shifters provide smooth, reliable gear changes across multiple drivetrain setups.
Fea
- Indexed rear shifter compatible with 5, 6, 7, and 8-speed systems
- Friction front shifter for 3x setups with micro-click adjustment
- Gear indicator windows and barrel cable adjusters included
- Fits standard 22.2mm flat bar grip sections
**Technical Specifications**
- Right hand cable length: 2100mm
- Left hand cable length: 1700mm
- Galvanized gear cable
- Weight: 90g