The perfect upgrade for your mountain bike, the Shimano RD-M370 Altus rear derailleur is a game-changer. Its sleek design and advanced technology make it a favorite among experienced riders and beginners alike. With its intuitive layout and precise shifting performance, you'll be climbing mountains and descending trails with ease.

This 9-speed, SGS (Speed Sensor Group) rear derailleur features Shimano's latest innovations, including the innovative GTR shift mechanism that provides unparalleled precision and reliability. Its compact design makes it perfect for tight spaces, while its robust construction ensures long-lasting performance.

Whether you're tackling technical singletrack or cruising through flat areas, this rear derailleur delivers seamless shifting and minimal maintenance requirements. With its ergonomic design and comfortable grip, you'll be able to ride with confidence and precision. Upgrade your bike's rear gear system today and experience the difference for yourself.