1、Aluminum Alloy Material: Made of premium aluminum alloy, this rear shock absorber is wear proof, erosion resistant, lightweight, and durable, providing you with a long lasting and reliable product. 2、Improved Comfort: The bike rear shock absorber ensures a more comfortable ride during your cycling journey. The advanced shock absorption system reduces overall impacts, and increases ride comfort, making your ride enjoyable. 3、Increased Durability: The rear shock absorber effectively reduces the overall impact of the bike, enhancing the durability, and extending the shelf life of related parts of the bike. This translates to longer lasting and high performance gear. 4、Versatile Performance: The shock absorber comes with three different settings. The lock position is suitable for roads, while the open position is perfect for rough terrain and off road riding. The middle position is ideal for light off road use, making it a versatile option for every biking situation. 5、Easy to Install: The bike rear shock absorber is easy to install. You can have it ready to use in no time. Its advanced shock absorption technology is perfect for riders looking for a high performance and easy to install upgrade for their cycling gear.