Police cycle security advice

Cyclists who park up in Barking Town Centre will have noticed the security advice from the police. The signs could do with being rather more durable - even permanent. They point out that free security marking is availble from the police. I don't think this ois the old-style punching the postcode into the frame - I expect it's etching a security number and logging that and bike details on a database - http://www.bikeregister.com/ is the police preferred one.