Push the broken key in fully (so all levers are engaged). Then get a pair of sharp long nose pliers, into the top and bottom of keyhole and turn to open. You can then worry about removing the broken blade at your leisure.
@xroads 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.
Push the broken key in fully (so all levers are engaged). Then get a pair of sharp long nose pliers, into the top and bottom of keyhole and turn to open. You can then worry about removing the broken blade at your leisure.