PINMOAP 1PC Bike Gear Derailleur Rear Bicycle Shifter Replacement Durable Transmission Accessory Fit Road Mountain Bike Repair

6/7-speed transmission system: Seamless shifting through TY300's multifunctional 6/7-speed transmission system, perfect for diverse mountain bike riding.Reliable transmission: Experience the smooth shifting brought by TY300's reliable transmission system, ensuring stable performance during cycling.Low noise operation: Thanks to the large guide wheel and B-gear tension adjustment, TY300's low-noise operation allows you to enjoy a peaceful riding experience.Compatible with 11 speed high-speed gears: Optimize your electric bicycle company's accessories by compatible with 11 speed high-speed gears through TY300.Lightweight design: Weighing only 315 grams, the TY300 rear lever is designed for extremely light weight, enhancing the agility of your bicycle.