Rear Derailleur RD TY300 6 To 7 Speed Direct Mount For Road And MTB Bikes Long Cage Compatible With SIS Index Shifting Drivetrains Fits Up To 34T Cassette Total Capacity 43T Easy Install

Single Unit RD-TY300 Rear Derailleur for 6/7-Speed ✔️ Direct mount, long cage fits 34T, 43T capacity, 13/13T pulleys

Rear derailleur designed for 6/7-speed SIS Index Shifting drivetrains, suitable for MTB and road bikes as well as folding bikes. It’s easy to install and remove, and the long cage helps accommodate larger cassettes while maintaining precise shifting. Made from high-hardness aluminum alloy for durability.

✅ Compatibility: 6/7 speed SIS Index Shifting drivetrains.
✅ Mount type: Direct mount.
✅ Range: Low sprocket 28-34T; Top sprocket 11-14T; Total capacity 43T.
✅ Material: Aluminum alloy for durability and precise adjustment.

💡 What is a rear derailleur used for on road and mountain bikes with 6/7-speed SIS systems?

In short, it guides gear changes and keeps the chain tension steady for reliable shifting across a wide gear range.

- Keeps chain tension and shifts across gears in 6/7-speed SIS systems
- Handy direct-mount design fits frames that accept direct-mount derailleurs
- Long cage supports larger cassettes and higher total capacity
- Aluminum alloy construction helps daily use and durability