Bicycle Chain Guide Mountain Bike Direct Mount Chain Guide Plate Single-deck D Type Chain Guard Stabilizer for 32-40T ChainFeatures:Using ultra-light high-strength AL7075 aluminum alloy, after high-quality CNC processing, light weight and high strength.Designed for direct-locking frame, front shift single-piece chainring is used.Suitable for 32t-40t bike chain.Wonderful accessory for mountain bike, professional manufacturing, stable performance and high reliability.Specification:Type: Bike Chain GuideColor: blackMaterial: aluminium alloyWeight: about 60g/2.1ozSpecification: 32-40TNote:Transition: 1cm=10mm=0.39inchPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item.Package Includes:1 Bicycle Chain Guide4 Spacer2 Screw