This utility model relates to a synchronously-pedaled sociable-seating quadricycle wherein a couple of riders may be able to share in mobilizing it, either simultaneously or alternately. The quadricycle generally comprises a pair of bicycle frames arranged in juxtaposition and spacedly and parallely connected by transversing connecting or support means , a steerable and a caster front wheels , rotatable rear wheels, and a synchronized or common pedaling means that may allow both, or either of the riders, to mobilize the quadricycle.
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