Contact your local authority cycling officer / workplace travel officer / sustainability team etc etc, they'll be good start.
Also give organisations like ctc and sustrans a shout, they may have an "active travel" presence in workplaces local to you.
Good luck.
p.s. bike week is part of wider "summer if cycling", so a broader calendar for you to operate within.
@rhb started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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Contact your local authority cycling officer / workplace travel officer / sustainability team etc etc, they'll be good start.
Also give organisations like ctc and sustrans a shout, they may have an "active travel" presence in workplaces local to you.
Good luck.
p.s. bike week is part of wider "summer if cycling", so a broader calendar for you to operate within.