Free service sounds good! And I had my bike marked and registered by the Met a while back, they have shed loads of bikes they recover from thieves that they can't re-home because they're not identifiable, registering it might mean you get your bike back.
I already had it serviced, my normal intention is to get it serviced before and after autumn/winter by a bike shop (and at least twice a year by a bike shop), that is beyond whatever maintenance I do on it myself.
A sign telling me there was a free service available would have been better, especially as I was on my way to work, as someone who has commuted 7000+ miles this year on what can be busy fast roads I need a proper working bike...
Registering for me is not really something I am too concerned about, I have the bike frame number, and at work it is stored in a secure location (underground employee only card controlled car park) and at home it is stored in the house. My bike is not going to be the most valuable thing to hand for them to steal. When I go out at the weekends I am very deliberate about where I go and the bike does not leave my sight (unless it is locked up when I go into a superstore, but then it is locked securely with at least two different types of locks)...
Put a sign up, don't pull me over, especially when I am going to work...
It's great they are out, but they should be there to stop the blatant RLJ'ing, the going over the stop lines, the no lights etc..., don't pull over people who are actually complying, just because they don't have a helmet or a space lemon coloured jacket...
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