Product Description:Our mountain bike offers your kids a safe and healthy life! The bike is ideal choice for kids’daily lifestyle riding for fun and exercise, which is suitable for riders between 7-12 year-old.Feature:��Frame Suspension��High-carbon steel frame is lower so it’s easier for kids to stand over and hop on and off. Suspension fork provide awesome impact resistance when riding over rocky and bumpy terrain.��Transmission��7 speeds with grip-type shifter make kids easy into use gears,change the gears according to your needs to adapt to different terrains.��Reliable BrakeTires ��Disc brake are easy to provide phenomenal stopping power when needed. Sturdy 2.125 wide tires protect kids against flats to keep them riding all day,give kids a smooth and easy ride.��Fit for Beginner��The 20 inch bike suit kids age 7-12,between 42”-56” inch tall, .Perfect choice for transition from a little kid bike to a big kid bike.��Assembly Size Guide��85% pre-assembled, assembly tools included, easy to assemble with in 25 minutes. We have assembly video on the product instructions.We’d be glad to help you with any questions!��tires ��20*2.125-inch tires offer grip and stability ??[Frame Suspension] The high-carbon steel frame of this mountain bike is designed lower, making it easier to stand over and hop on and off. The suspension fork provides excellent impact resistance when riding over rocky and bumpy terrain, ensuring a smooth and comfortable ride. Whether on park trails or outdoor adventures, can enjoy a seamless riding experience on this 20-inch mountain bicycle. ?[Drive Train] Equipped with 7-speed drivetrain and grip-type shifter, this mountain bike makes it easy to use the gears. They can change gears according to their needs to adapt to different terrains, from flat roads to steep hills, enjoying the fun and challenge of riding their mountain bike. ?[Reliable Brake Tires] The 20-inch mountain bike features disc brakes that provide outstanding stopping power when needed, ensuring quick and safe stops. The sturdy 2.125-inch wide tires protect against flats, allowing to ride all day and enjoy a smooth and easy ride. Whether on muddy trails or flat streets, safety and comfort are guaranteed with this mountain bike. ?[Fit for Beginner] This 20-inch mountain bicycle with a height between 45”-60”. It is the perfect choice for transitioning from a little bike to a big bike. Whether beginners or those with some riding experience, this mountain bike meets their needs and helps improve their riding skills. ?[Assembly Size Guide] The mountain bike comes 85% pre-assembled, with assembly tools included, and can be easily assembled within 25 minutes. An assembly video guide is provided in the product instructions to help you quickly complete the setup. If you have any questions, we are happy to assist and support you. Let you enjoy the fun of riding their 20-inch mountain bicycle as soon as possible!