Mountain Bike Frame Single Speed Chain Guide Protector Seat Tube Protector

describe: This bicycle chain single disc guide guides the chain and protects it from jumping and falling. It is sturdy and made of aluminum alloy with high hardness for long-term use. It is used for single disc sprocket using it can make the ride smoother and give you a good riding experience. Installation is quick and easy and can be adjusted with a wrench without removing the crank. It is suitable for mountain bikes small and lightweight and the surface is smooth and burr-free. Specification: Material: Aluminum alloy. Colour: Black. Size: 12*10*5cm. Package Included: 1* Chain guide. 4* Washers. 1* Frame protector. notes There may be some color distortion due to different computer resolutions. There may be slight errors due to different hand measurements.