A recumbent bicycle is a bicycle which places the rider in a laid-back reclining position. Nearly all recumbent riders select this type of style for ergonomic reasons; the rider’s weight is distributed comfortably over many square feet of the rear and buttocks. On a normal upright bicycle, the body weight rests on some square inches of the sit bones, the feet, and the hands.
The majority of recumbent models even have an aerodynamic advantage; the reclined, legs-forward position of the rider’s body presents a smaller frontal profile. A recumbent holds the world speed record for a bicycle, and that they were banned from international racing in 1934.
Recumbents are accessible in a wide range of configurations, together with: long to short wheelbase; big, tiny, or a combine of wheel sizes; overseat, underseat, or no-hands steering; and rear wheel or front wheel drive. A variant with three wheels is that a recumbent
Long wheelbase (LWB) models have the pedals located between the back and front wheels; short wheelbase (SWB) models have the pedals in front of the front wheel; compact long wheelbase (CLWB) models have the pedals either awfully close to the front wheel or above it. Within here classes are variations, intermediate kinds, plus even convertible designs (LWB to CLWB) – there’s no “customary” recumbentThe rear wheel of a recumbent is generally behind the rider plus can be any size, from around sixteen inches (410 mm) to the 700c of an upright racing cycle. The front wheel is typically smaller than the rear, although a variety of recumbents feature dual 26-inch (ISO 559), ISO 571 (650c), or ISO 622 (700c) wheels. Notable among here are “highracers”, such as the Bacchetta Corsa and Strada or Volae Team, or the “LWB-design” RANS Stratus XP. Larger wheels generally have lower rolling resistance but a higher profile resulting in higher air resistance. Highracer aficionados additionally claim that they are already additional stable, and though bicycle stability increases with the height of the heart of gravity higher than the bottom, the wide variety of recumbent bicycles designs makes such generalizations unreliable. Another advantage of both wheels being the same size [is that the] bike specifies only 1 size of inner tube.
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