1. Bicycle Gear Derailleur, Compatible with 6 and 7-speed SIS Index Shifting drive trains.
2. Alloy construction leads to lower weight without compromising strength and durability
3. Durable light action shifting performance for stress free riding
4. Hanger/Bracket mount fitting - SIS rear index shifting
5. 13 tooth pulleys offer long service life and less noise
6. MODEL: RD-TY21B bike rear derailleur, Compatible with 6 and 7-speed SIS Index Shifting drivetrains.
7. IMPORTANT : The hub bolt mount ? hanger mount) rear derailleur for mountain bike, not direct mount.
8. EXCELLENT PERFORMANCE : Accurate gears provide light and stable shift performance,and making riding easy and comfortable.
9. MATERIAL : Made of high-quality steel materials,durable and long service life.Easy to install and disassemble.
10. Colour: Black - Discipline: MTB/Hybrid
12. Easy to install and disassemble.
13.100% MONEY BACK GUARANTEE - We assure you that due to any reason if you do not like our product or are not satisfied, we guarantee 100% MONEY BACK. If you have any questions or problems during use, please contact us . We will be happy to help you in which ever way possible