Stolen bikes

Mike’s Gangsta Track has been stolen from opposite Selfridges on the other sie of Oxford Street.
2 Kryptonite D locks, One big one small were broken.
If you see if try get it back or get in touch with Mike .. I dont have his number but I could get it.

Which kryptonites exactly? and at what time?
if i see anyone riding it i'l hit them with my d lock!