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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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mespilus
Yep, hydraulics drag a 200kg weight up to 8 foot and drop it at speed, highly dangerous, this precise machine has already claimed one finger when a friend left his hand on top of a post and someone else released it.
Yep this one is an old one, so it has two screw link arms to adjust both planes