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All Sturmey-Archer gear hubs use epicyclic (planetary) geartrains of varying complexity. The AW is the simplest, using one set of planetary gears with four planets. The AM uses three compound planets with differently sized cogs machined from a common shaft to engage the gear ring and sun gear separately, while the close-ratio three-speeds, and hubs with four or more speeds, use multiple ...
Sheldon Brown (July 14, 1944 – February 4, 2008) was an American bicycle mechanic, technical expert and author. [3][4][5][6] He contributed to print and online sources related to bicycling and bicycle mechanics, in particular the web site Sheldon Brown's Bicycle Technical Info. His knowledge of bicycles was described as "encyclopaedic" by The ...
Sturmey-Archer and its subsidiary Brooks Saddles were sold and briefly fell into the hands of receivers. Sturmey-Archer was acquired by Sun-Race of Taiwan. Pashley shareholders acquired Brooks at this difficult time and working with Brooks employees, updated the branding and set a new course in the production of "fine leather saddles and ...
Henry Sturmey. John James Henry Sturmey (1857–1930), known as Henry Sturmey, is best remembered as the inventor with James Archer of the Sturmey-Archer three-speed hub for bicycles, but he was a technical editor and journalist heavily involved as a pioneer of the cycling and automotive industries. Born at Norton-sub-Hamdon, Somerset, on 28 ...
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v. t. e. Sturmey-Archer S3X. A hub gear, [1] internal-gear hub, [2] internally geared hub[3] or just gear hub[4] is a gear ratio changing system commonly used on bicycles that is implemented with planetary or epicyclic gears. The gears and lubricants are sealed within the shell of the hub gear, in contrast with derailleur gears where the gears ...
It went on sale in the UK in 1970 and sold well, and was a key factor in reviving the company's fortunes. The Chopper featured a 3-speed Sturmey-Archer gear hub, shifted using a top-tube mounted gear lever reminiscent of the early Harley-Davidson suicide shifter – one of its "cool" features. Other differences were the unusual frame, long ...
Voters in South Dakota are closely divided on the issues of legalizing recreational marijuana and protecting abortion access, which will both appear as ballot measures in the state in November ...