TriVelox Gears Ltd

Tri-Velox Gears Limited (later "Company")


An illustration from Alec Shuttleworth and William Hill 1930s patent

Mark Hirst: "A slow motion video demonstrating the moving cassette of the TriVelox gear. The TriVelox was co-invented in the 1930s by my great uncle, William Hill, as a way of reducing chain wear and delivering more power to the rear wheel. "