HALJEN 26-inch Mountain Bike; 21-speed Dual Disc Brakes; Men's and Women's Mountain; City Bike; Magnesium Alloy Frame，Purple

[High tech Frame] HALJEN bike has a magnesium alloy frame for riding and moving with ease;corrosion resistant and very easy to clean and maintain. [Brake&Shifter] Dual Powerful disc brakes are more efficient than other brakes; provide you better durability and stopping power for your rugged and damp adventures . 21 Speeds drive train allows you to find the place that’s most efficient and the higher gear to pursue speed within a wide range of variability. [Good Tires] Double wall aluminum rim is stronger;protects the inner tube to increase the strength of outdoor riding. HALJEN tire is not only thin and roll fast，but also is non-slip and wear-resistant. It has outstanding grip and puncture resistance ;suitable for hillsides; gravel; city streets and trails. [Equipped with double disc brakes] Double disc brakes with good performance; bad weather and environment have little effect on braking performance; good braking effect and short braking distance. [Complete accessories; easy to install] 85% of the bike has been assembled when it arrives. You need to install the front wheels; pedals; handlebars; seats and inflate the tires to ensure that they are fully installed and Secure before riding safely. The installation instructions are enclosed in the package; please read carefully before installing the and adjusting the brake and speed system.All tools are included in the package; no additional tools.