Features1Easy to Use: This chain guide is suitable for 1x system, direct mounting frame and 32T38T sprocket and has the advantages of simple structure and convenient installation. 2Ultra Light: The cycling chain guide is made of ultra light materials. After installation, the chain guide will not increase the weight of the bike, so that you can ride more easily. 3Long Service Life: The bike single disc chain guide is made of 7075 aluminum alloy and processed by CNC, which has the characteristics of high strength and quality. 4Good Fixing Performance: The cycling chain stabilizer can firmly fix your chain in place, and the fixing plate can prevent you and your bike from damage. 5Support Rough Road: This chain guide for mountain bike is very sturdy and durable, and can withstand hard roads and rough riding for a long time.SpecificationItem Type:Bicyclechain guideMaterial: 7075 aluminum alloy CNC, nylonWeight: Approx. 55g/1.9ozPackage List1 xBicycleChainGuide1 x Screw2 x Shim