The object
Engineer Mark Sanders designed the Strida, a belt-driven folding bicycle built around a distinctive collapsible A-frame that can be rolled when folded. Strida’s current documentation credits Sanders with the 1983-85 design. A 2026 interview finds him discussing the bike’s enduring international user community and continuing engineering work.
What Mark did
designed the belt-driven Strida folding bicycle and its collapsible A-frame configuration
Why it matters
Strida became one of the most recognizable folding-bicycle forms and demonstrated a radically simplified, clean belt-drive commuter design.
Living-status check
Velorution interviewed Sanders about Strida and current projects in April 2026.