A high quality bicycle chain protection cover that shields the chain from dust, soil and water, helping to reduce corrosion and wear and extend chain life. It also prevents pant legs from catching or rubbing on the chain during riding. Key benefits - Protects the chain from rain, oil stains, mud and grit to extend drivetrain life - Keeps clothing clean and free from chain contact - Easy to clean and maintain with fast installation and disassembly Compatibility and fit - Fits 48T chainring with a 5-hole crank and a cross range of 8.26 inches (210 mm) - Please check the hole spacing in the product pictures to ensure it matches the gap between crank holes - Suitable for various bicycle chains Installation and maintenance - Quick install and removal - Easy to clean and maintain its protective function Use scenarios - Daily city commuting in wet or dusty conditions - Mountain biking or trail riding to keep mud and water away from the chain and clothing - Long rides where a cleaner drivetrain and hassle-free maintenance are beneficial