WebThe Trivelox B is a conventional derailleur which moves the chain across the gears, whereas the Trivelox A gears move with the chain/pulleys remaining stationary. The ‘Model B’ is a freehub, and the ‘Model C’ has a screw-on freewheel. Quality: Rarity: WebTri-Velox Gears Limited (later "Company") 1932-1950s A web site devoted to this product Disraeli Gears info about Trivelox Updated 5.29.2016 An illustration from Alec Shuttleworth and William Hill 1930s patent Mark Hirst: "A slow motion video demonstrating the moving cassette of the TriVelox gear.
STYLES: TANDEMS – The Online Bicycle Museum
WebEntdecke sachs Torpedo 3-Gang Schaltschalter in großer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung für viele Artikel! WebMay 21, 2024 · In the Trivelox design the gear cartridge is moved instead maintaining the chain in a straight line. The disadvantage is the width required, meaning the width of the rear hub is also increased. Because of this, Trivelox systems were generally 3 speed as any more width was difficult to accommodate. parthenon accident
1935 – The Online Bicycle Museum
WebJan 22, 2024 · The three-speed cycle gear which became known as the TriVelox was patented by Alec Shuttleworth and William Hill in the early 1930s. It went into production in about 1932. Unlike other derailleur gears … Webtrivelox.cambrianmoons.com is Melvyn Hirst’s excellent site devoted to the Trivelox gear system - and to his uncle’s contribution to its development. Velo-retro.com has Chuck Schmidt’s legendary Campagnolo timeline. Velostuf.com has an interesting derailleur gallery. Vintage-trek.com has excellent information on Shimano and Suntour date codes. WebComing from the wacky world of marketing, ‘brand’ is not a perfect basis for a taxonomy for derailleurs - but it is probably the best available. ... timothy robert commerford