Mens 26 inch Wheels Mountain Bike for Teen, 21 Speed Road Bike, Black&Blue

21- - 3 gears in front and 7 gears in back give you a combined 21 speeds to keep you pushing through any terrain in your path. The powerful 100mm travel suspension fork absorbs shock on rough off-road trails. - High carbon steel parts, such as frame, handle bar, chain. Sturdy materials can prevent bikes from damage, also on rainy days, strong enough to withstand any harsh environment. & - 700c aluminum Wheels, 700x35c Tires, extra comfortable hollow seat. -  Quality oil disc brake,easy to set and adjust, simple to operate, the brake with handle shape is suitable for 2-finger or 3-finger operation. Provide protection for your safety. 1- - One year warranty for the road bike. Delivered 85% pre-assembled, you just attach the handlebars and seat post. Recommended for ages 12+. For riders up to 330 lbs. Shipped from warehouse.