valuemax bike chain lock, with sturdy stainless keys, diameter 5/16'' x length 38-1/4'' anti theft security chain lock for bicycles/motorcycles/scooters/collapsible doors is up for auction in Sports & Outdoors. The current bid is $1.50, 92% below the $19.00 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.