A bicycle derailleur is a component that enables you to shift gears when cycling. Front and rear derailleurs essentially perform the same function; they push the chain onto a different set of gears. A front derailleur shifts the chain between the rings on the chainset.
It’s essential that your derailleur is compatible with your frame. ‘Band on’ derailleurs clamp around the seat tube of your frame. ‘Braze on’ also known as ‘direct mount derailleurs’ are directly mounted to a plate that extends downwards from the seat tube.
Various derailleur systems were designed and built as far back as the late 1800s. A French bicycle tourist, writer and cycling promoter Paul De Vivie (1853-1930), invented a two speed rear derailleur in 1905 which he used on forays into the Alps, and we wonder if 20 gears are enough. Since then there has been many advancements in the number of gears, materials and reductions in weight. Wiggle lists a large selection of front and rear derailleurs catering for double and triple systems with 7, 8, 9, 10 and even 11 speed cassettes.
Wiggle Ltd. 1000 Lakeside, Suite 310, Third Floor N E Wing, Portsmouth, Hampshire, PO6 3EN, United Kingdom /
Company No: 2667809 /
VAT No: 884 2571 94
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