I did this after we bought our e tandem with two batteries. my bulls bike I bought a new Abus battery lock and then bought 4 locks so both bikes were keyed alike and all our locks for them and my garage lock so I only had one key to carry . so the first thing after buying my trek I found out what lock they used then ordered a keyed alike lock to match the rest of my locks. it will take a month or so to get the new lock. its a lot cheaper changing the battery lock then a Abus lock you already have. plus you don't have as many choices on locks that can be keyed alike. they charge 30.00 each order so plan well and buy everything you need at one time. here is where to go
We built this tool out to make Keyed Alike Lock ordering easier. In order to process your keyed alike lock order enter the key number of your lock, this will be 6 digits for a Plus Lock or 7 for an Xplus lock (including the leading X). If you'd like to order new locks without a specified key...