• Model: RD-TY21B-GS,bike rear derailleur. Compatible with 6/7 Speed SIS index Shifting drivetrains
• Direct Mount: The bike rear derailleur is direct mount, not hub bolt mount.Before purchase, please confirm whether the rear derailleur on your bicycle is a direct mount or a hanger mount.
• Stable Performance: Forged from high-quality and durable aluminum alloy material, adjustment is more precise, ensuring stable gear shifts for a safer cycling experience.
• Wide Application: Suitable for variable speed bikes, mountain bikes, road bikes, folding bikes, city bikes, tricycles, and more.
• Note: Your satisfaction is of utmost importance to us. We are committed to providing high-quality customer service. If you have any questions, feel free to contact us anytime, and we will provide you with a satisfactory response.