Sterling Silver Bicycle Keyring Round. A Sterling Silver Keyring with a Bicycle embossed on the round silver disc. The actual split ring is nickel plated. The Silver Bicycle Keyring is made by our Silversmith in the UK . The silver Keyring is fully hallmarked and boxed and can be engraved on the back. Matching Bike Cufflink and Bike Money Clips available. See below for matching Gifts.