Enhanced Riding Performance: Upgrade your mountain bike with this rear derailleur. Designed for 8-speed and 24-speed compatibility, it ensures smooth and precise shifting, enhancing your biking experience. Construction: Crafted with high-quality materials, the M310 rear transmission is built to withstand rugged terrains and various weather conditions, making it a reliable choice for outdoor cycling enthusiasts. Compatibility and Installation: Compatible with a wide range of mountain bikes, this rear derailleur is easy to install, making it ideal for both amateur and professional cyclists looking to improve their bike's performance. Color: As Shown Material: Steel Package Contents: 1 x Mountain Bike Rear Derailleur Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.