The ultimate upgrade for your cycling experience. Introducing the SPYMINNPOO Bike Rear Derailleur, designed specifically for mountain bikes. This premium rear derailleur is the perfect solution for those who demand precision and control during shifting.

The guide pulley system ensures that each chain change is smooth and accurate, allowing you to fine-tune your gear shifts with ease. The result is a seamless riding experience that's both fast and reliable. With its unique design, the sprocket combines the specially positioned tooth outline and shift ramp for improved chain control during shifting.

The indexing mechanism built into the shift handle and the friction SIS rear indexing shift cable ensure precise adjustments. This allows you to make smooth changes between gears without any jerky movements. Whether you're riding up steep hills or cruising down flat roads, this bike derailleur has got you covered.

For a seamless upgrade experience, we recommend using our SPYMINNPOO Bike Rear Derailleur on your existing 6, 7, and 8 speed transmission system. Compatible with road bikes and mountain bikes alike, this rear derailleur is designed to provide maximum performance and reliability. With its durable iron construction, you can trust that it will withstand the demands of high-speed riding. Upgrade your bike today and experience the thrill of precise shifting.