【Unique Shock Absorbing Design】The frame is made of high carbon steel, with strong support strength, wear resistance and corrosion resistance, and conforms to ergonomic design. Feature 100mm front suspension fork. The thickened frame and shock absorbers help resistant and absorb shocks. The parallel bars can adapt to pressure road conditions. Greatly improve the comfort during riding and enjoy riding.【21 Speed Drivetrain】- Allows riders to switch gears with smoothness. The positioning is accurate, and silky gear shifts without stalling. The riders can select gears for various terrains quickly.【26*4.0" Wide Tires】- Wheels height up to 28 inches, 5 times more wear resistance than ordinary bicycle tires. Strong grip and anti-slip, Fully capable of challenging any terrain, can conquer any off-road trails, city roads, beaches and snow.【Double Disc Double Safety】- Ecarpat fat tire bikes feature a dual disc brake system. Both front and rear are equipped with mechanical disc brakes, which can greatly reduce the braking distance and ensure you can stop immediately in case of emergency.【85% Pre-Assembled】The bike comes 85% pre-assembled. You need to assemble the handlebar, saddle, front wheel and pedals. After a short adjustment of the brakes and gears you can start riding immediately. Please note that if you have any questions, you could contact our customer service first.