Features 1、Suitable for 1x System: Equipped with baffles, which can effectively block some collisions from below and it can also effectively reduce bumps. 2、High Strength Material: The chain guide is made of high strength AL7075 aluminum alloy and processes CNC machining so that it has high strength. 3、Sturdy and Safe: The chain guide can hold your chain securely in place and the plate can prevent you and your bike from danger. 4、Light Weight: Though the bike chain guide is made of alloy, it has light weight so that it will not put too much weight on your bike. 5、Direct Equipped: It can be equipped to your bike without any other accessories.It can be mounted directly to the bike with the help of tools that is very convenient. Item Type: Bike Chain Guide Gross Weight: Approx. 209g/7.4oz Material: 7075 Aluminum Alloy CNC and Nylon Package List 1 x Chain Guide 1 x Adapter 1 x Fixing Plate 5 x Screw 2 x Bolt 6 x Gasket