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  2. The 12 Best Bike Pumps of 2023 - AOL

    www.aol.com/lifestyle/best-bike-pumps-2022...

    We tested and reviewed the best bike pumps. These are our top bike pumps for reliability, durability, accuracy, features, price, and, of course, aesthetics. The 12 Best Bike Pumps of 2023

  3. Climb Easier And Faster With These Electric Mountain Bikes - AOL

    www.aol.com/lifestyle/best-electric-mountain...

    Most performance-oriented electric mountain bikes are Class 1. Electric mountain bikes generally feature one of two types of motors: mid-drive motors, which are contained in the frame at the ...

  4. Welding power supply - Wikipedia

    en.wikipedia.org/wiki/Welding_power_supply

    Welding power supplies may also use generators or alternators to convert mechanical energy into electrical energy. Modern designs are usually driven by an internal combustion engine but older machines may use an electric motor to drive an alternator or generator. In this configuration the utility power is converted first into mechanical energy ...

  5. Bicycle pump - Wikipedia

    en.wikipedia.org/wiki/Bicycle_pump

    Bicycle floor pump Foot-operated bike pump Frame-mounted bike pump Outdoor public air compressor for bicycles. A bicycle pump is a type of positive-displacement air pump specifically designed for inflating bicycle tires. It has a connection or adapter for use with one or both of the two most common types of valves used on bicycles, Schrader or ...

  6. Motorized bicycle - Wikipedia

    en.wikipedia.org/wiki/Motorized_bicycle

    The Consumer Product Safety Act defines the term low speed electric bicycle as a two- or three-wheeled vehicle with fully operable pedals and an electric motor of less than 750 watts (1 horsepower), whose maximum speed on a paved level surface, when powered solely by such a motor while ridden by an operator who weighs 170 pounds, is less than ...

  7. Air pump - Wikipedia

    en.wikipedia.org/wiki/Air_pump

    An air pump is a pump for pushing air. Examples include a bicycle pump, pumps that are used to aerate an aquarium or a pond via an airstone; a gas compressor used to power a pneumatic tool, air horn or pipe organ; a bellows used to encourage a fire; a vacuum cleaner and a vacuum pump. All air pumps contain a part that moves (vane, piston ...