Evoc chain coverdesigned for use with the evoc bike travel bag the chain cover will protect against damage caused by dirt or oil or by the chain itself the chain cover is also ideal for use when transporting your bike without a bike bag and is compatible with most road time trialtriathlon and mountain bikes featuresdesigned for use with evoc bike travel bags but can also be used withoutprotects from damage by dirt oil or the chainrings fabric p600d pu coated robust heavy duty fabric fo