【Compatibility】This helium chain guard is only available for Shimano's M430 and M590 and M390 guards, which are suitable for the chain of up to 44 teeth. Please confirm the size when you buy
【Durable Plastic】The bike chainring guard is made of high quality plastic, sturdy, with good hardness and pressure performance, not easy to break, ensure you can use for a long time
【Protect Bicycle Chain】This bicycle chain is protected for a crank ring to ride and prevent the crank ring from damaging when riding and prevent a bottom of the sewage.
【Ideal Replacement】The chain can be protected for your crank ring while preventing clothes from staining. With simple and classic appearance, it is ideal for you to replace the old or damaged bike chain protector circuit
【Easy Installation】The installation of this bicycle zero ring is very simple, we provide you with screws and washers. Simply tighten the bolts to secure the chainguard to the crank ring. If you have any questions, please contact us