Early British derailer--two-speed gear,invented by C.M.linley,patent No.13839/1893.The hub carried two sprockets , side by side,the inter larger one being provided with a shoulder to assist the chain to run off one sprocket on to the other when changing gear.A fork operated by the rider from the top-tube,shifted the chain from one sprocket to the other,....Bartleet's Bicycle Book sam lingo,pleasanton tx
> AlI this reminiscing about french bikes and
> components reminded me of a
> question I've had for a long time. Since France,
> Italy and GB were the trifecta of
> Cycledom, I've wondered why there were (no?)
> derailleur systems developed in
> GB? Is it because GB being relatively flat didn't
> need more than a 4-speed
> Sturmey-Archer? Or since the french and italian
> systems were developed first
> they didn't bother to or see commercial viability in
> developing competing
> systems?
>
> Jack Romans
> Sacramento, CAlif
>
>
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