I have seen bike storage specific metal box/locker type things which are bolted down to a concrete base. They are designed to resist a thiefs attentions, and as I last saw one in Finsbury park, which was un-thieved, seem to do the job.
@Dammit started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
I have seen bike storage specific metal box/locker type things which are bolted down to a concrete base. They are designed to resist a thiefs attentions, and as I last saw one in Finsbury park, which was un-thieved, seem to do the job.