FIELD: machine building.
SUBSTANCE: group of inventions relates to bicycle frames. Bicycle frame comprises steering box frame, first and second wheel main fixtures, first and second auxiliary fixtures of wheel. Bicycle comprises steering frame sleeve, first and second wheels, frame tube, first and second wheel main fixtures, first and second auxiliary fixtures of wheel.
EFFECT: simplified bicycle towing.
20 cl, 29 dwg
Authors
Dates
2019-07-05—Published
2015-07-13—Filed