FIELD: machine building.
SUBSTANCE: invention relates to machine building, particularly, to bicycle caterpillar drives. Bicycle drive includes a frame, a caterpillar track, drive rollers, caterpillar rollers, stretching compression elements. Said structure is located at bottom under bicycle drive wheel. Wheel has support on drive rollers, caterpillar track and rollers of caterpillar track have size not limited by frame. Said structure can move along wheel axle.
EFFECT: reduced pressure to surface due to sufficient width of track.
6 cl, 6 dwg
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