Redfire Mountain Bike Mens and Womens, 21-Speed Shimano Drivetrain, 27.5-Inch Wheels, 17-Inch Steel Frame, Front Suspension and Dual Disc Brakes, Youth/Adult Hardtail Bike, Red White - Redfire Co., Ltd.

• Strong and Durable Steel frame with internal routing to protect your cables from bending or twisting. Invisible Weld Technology add to the bike's sleek look. 21 Shimano speeds, a wide range of gearing so you always have the right gear for your terrain, powerful disc brakes boost control when you need it most, and a suspension fork that takes the edge off bumps and rough terrain. Double Wall rims offer added durability and stability. Excellent puncture resistance mountain tires have the grip and serious traction you need on rough terrain. 85% pre-assembled ,easy to assemble, quick releases on the front let you fit and remove the wheels quickly. Aluminum alloy components such as the stem,handlebar,pedals ,saddle tube and kickstand keep this bike light and agile, not to mention provide rust protection. Tool-free adjustable seat post for easy height adjustments. 26-inch wheels and 17 inch frame fits riders 5' 4" to 6.1" tall.