how does this work?
Assemble with the jaws behind the crank and the centre screw pushing the BB spindle, keep tightening the screw until the crank separates from the spindle.
https://youtu.be/R25zsdW8Ewo?t=2m0s
I like that. Thanks
@Hovis 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.
Assemble with the jaws behind the crank and the centre screw pushing the BB spindle, keep tightening the screw until the crank separates from the spindle.
https://youtu.be/R25zsdW8Ewo?t=2m0s