"Heavy Duty" bicycle half chaincover, model SC-CC-104, a chain guard for the chain and front chainring of a bicycle. A chain cover keeps the rider's clothing clear of the chain and its grease. The cover is glossy black, with a long open slot along its length, a round opening at the wide end and a small cut-out near the narrow end. A gold "SONA" logo and a thin contrasting pinstripe finish the side. Part numbers: SC-CC-104