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A wheel hub motor, hub motor, or in-wheel motor is a motor that is incorporated into the hub of the wheel. Wheel-hub motors are commonly found on electric bicycles. Electric hub motors were well received in early electric cars, but have not been commercially successful in modern production cars [1] [2] because they negatively affect vehicle ...
In 2007, 27.5 inch wheels for mountain bike use was popularized by Kirk Pacenti, [6] [12] and in 2013 at least 10 companies had launched models with 27.5 inch wheels, [3] with some parts manufacturers following suit.
A hub dynamo is a small electrical generator built into the front hub of a bicycle wheel that is usually used to power lights. Often the hub "dynamo" is not actually a dynamo, which creates DC, but a low-power magneto that creates AC. Most modern hub dynamos are regulated to 3 watts at 6 volts, although some will drive up to 6 watts at 12 volts.
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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 ...
WASHINGTON (Reuters) -President-elect Donald Trump has urged the U.S. Supreme Court to pause implementation of a law that would ban popular social media app TikTok or force its sale, arguing he ...