The bike folds neatly in about 15-20 seconds so can store it perfectly in the trunk of your car, Take it with to the office. The 26-inch 36H 38MM high knife aluminium rims,36 14G 1045 steel spoke wheel are not easy to deform ,safer and longer service life. The brake system consists of double disc brake, giving you the stable and strong braking force. SUANGIN 21-speed gearbox ensures total control in every situation. You will get a 85% pre-assembled bicycle,The F/R variable speed system and tires have been pre-assembledinclude installation notes and tool,very easy to assemble. Recommended for rider's height 5'3"-6'0". Max weight up to 220lbs. If you have any questions, please contact us immediately, our strives to provide customers with the most satisfactory service.