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  2. Honda ZB50 - Wikipedia

    en.wikipedia.org/wiki/Honda_ZB50

    The transmission is 3-speed constant mesh, with a 3-up shift pattern, it uses a wet multi-plate centrifugal clutch, with the following gear ratios: 1st 3.272, 2nd 1.823, and 3rd 1.190. It has a primary reduction ratio of: 4.058, and a secondary reduction ratio of 2.6 via the chain drive (15 tooth front sprocket and 39 tooth rear sprocket).

  3. NSU Quick 50 - Wikipedia

    en.wikipedia.org/wiki/NSU_Quick_50

    Outside of the frame, the Quick 50 varied vastly from the other bikes produced by NSU. The engine differed in stroke (50 cc, two stroke), displacement (50 ccm), and compression ratio (0.0536 HP/kg), and delivered power through a four-speed transmission which reached velocities of up to 45 miles per hour. [2] The Quick 50 engine did not have pedals.

  4. Bicycle drivetrain systems - Wikipedia

    en.wikipedia.org/wiki/Bicycle_drivetrain_systems

    Bicycle drivetrain systems are used to transmit power on bicycles, tricycles, quadracycles, unicycles, or other human-powered vehicles from the riders to the drive wheels. Most also include some type of a mechanism to convert speed and torque via gear ratios .

  5. Motorized bicycle - Wikipedia

    en.wikipedia.org/wiki/Motorized_bicycle

    A motorized bicycle is a bicycle with an motor or engine and transmission used either to power the vehicle unassisted, or to assist with pedalling. Since it sometimes retains both pedals and a discrete connected drive for rider-powered propulsion, the motorized bicycle is in technical terms a true bicycle, albeit a power-assisted one.

  6. NSU Quickly - Wikipedia

    en.wikipedia.org/wiki/NSU_Quickly

    The original and most basic version of the Quickly was the Quickly N. It used the original version of the engine, with a 5.5:1 compression ratio, which produced 1.4 PS (1.0 kW) at 4600 rpm. The N had a two-speed transmission that was operated from the handlebar. It ran on 26 x 2.00" wheels front and rear.

  7. Base 50 - Wikipedia

    en.wikipedia.org/wiki/Base_50

    Motorcycle, scooter, moped, ATV, ATC, pit bike, dirt bike and various power sport machines. Engine: Horizontal 49–124 cc (3.0–7.6 cu in) 4-stroke air-cooled single: Transmission: 3- or 4-speed automated manual with wet multi-plate centrifugal clutch: Weight: 2–3 kg (4.4–6.6 lb) Related: Lifan Group

  8. Honda PC50 - Wikipedia

    en.wikipedia.org/wiki/Honda_PC50

    The Honda PC50 is a moped produced by the Honda Motor Company in Japan from May 1969 until at least 1983. The PC50, though much smaller and lighter, had some similar features to Honda's popular C50 /70 /90 Super Cub line, with a step-through pressed-steel frame, a fuel tank under the saddle, a chain cover, and optionally equipped with leg shields,

  9. Whizzer (motorcycles) - Wikipedia

    en.wikipedia.org/wiki/Whizzer_(motorcycles)

    In 1948, Whizzer sold its first pre-assembled motorized bicycle, the "Pacemaker", for US$199.50 (equivalent to $2,500 in 2023). [ 1 ] The "Sportsman" – featuring 138cc, 3 hp engine, 20" wheels, kick starter and drum brakes – was released in 1949 for US$224.50 (equivalent to $2,900 in 2023), and US$239.50 (equivalent to $3,100 in 2023) for ...