27 in Adult Mountain Bike,Lightweight Aluminum Frame,Shimano 21 Speed,Grey

27 in Adult Mountain Bike,Lightweight Aluminum Frame,Shimano 21 Speed,Grey Ideal for teens ages 12 to adults (Average height, 5' 7" - 6' 1") Durable and Reliable, Comfortable and Ergonomic, Efficient and High-performing. The Mountain Bike is the perfect blend of performance and style, featuring a lightweight aluminum Frame that ensures durability and reliability on any terrain. Whether you're tackling paved trails or cruising around your neighborhood, this bike is built to handle it all with ease. Equipped with a smooth 21 Speed system, the Mountain Bike is designed to offer seamless gear transitions for tackling uphill climbs or picking up speed on flat surfaces. The Shimano rear indexed derailleur ensures precise and efficient shifting, allowing you to adapt quickly to changing riding conditions. Enhancing your riding experience, the front suspension fork provides responsive feedback as you navigate through obstacles like curbs, potholes, and branches, offering improved control and comfort throughout your journey. Crafted for comfort, the bike features a slim saddle with an alloy quick-release seat binder, allowing for effortless height adjustments or easy removal when necessary. The lightweight aluminum rims and 3-piece steel crank further enhance the bike's performance, delivering a smooth and stable ride for riders of all levels. Upgrade your biking experience with the Mountain Bike and start enjoying every ride to the fullest. Product Information Frame:17”lightweight aluminum Frame Wheel Size:27.5*2.125 Fork:100mm front suspension fork Rim Material:aluminum Brakes:mechanical disc brake Speeds: 21-speed Gear Type: shift handle Front Shift Lever:Shimano ASTEF5002LSBLC Rear Shift Lever:Shimano ASTEF5002RV7ALC Front Derailleur:Shimano AFDTZ500DSDM6 Rear Derailleur:Shimano ARDTZ500GSD Bearing Weight:50-85KG Tires:26”high-quality rubber tires Seat: adjustable padded saddle Installation:85% pre-assembled Installation Steps Please open the box to check if the accessories are complete. Including:overall frame front wheel,handlebar,saddle,a pair of foot pedals,front and rear reflectors,tool kit,bicycle manual. Adjust the Direction of the Stem and Front Fork Handlebar Assembly Saddle Assembly Front Wheel Assembly Pedals Assembly For detailed installation steps, please refer to the installation manual included in the package.