Feature: 1. Compatible with 1x Systems: This bike chain guide is specifically designed to be installed on the front derailleur and is compatible with 1x systems, which have a single disc. 2. Improved Chain Retention: This bicycle chain guide effectively reduces the chances of chain drop, providing reliable chain retention even on rough terrains or during intense riding. 3. CNC Machined Construction: The chain protector is constructed from aluminum alloy material and undergoes full CNC machining. This manufacturing process ensures durability. 4. Enhanced Durability: The chain guard is made from aluminum alloy, long durability and resistance to wear and tear. It can withstand the rigors of offroad riding and provides long lasting performance. 5. Easy Installation: The chain guide is designed for easy installation. It comes with all the necessary hardware, allowing riders to quickly and effortlessly attach it to their bikes. Specification: Item Type: Bike Chain Guide Material: Aluminium Alloy. Package List: 1 x Bike Chain Guide1 x Screw1 x Nut