27″ Mountain Bike �C Built for Adventure Robust Frame For Adults: The high carbon steel frame ensures durability for adult mountain bikes, featuring a reinforced front suspension fork for optimal bump absorption, providing absolute control Versatile 18-Speed Drivetain: Equipped with a 18-speed drivetrain, adult bikes offer a variety of speed options for a flexible riding experience. Easily adjust the gears to suit your preference Dependable V-Brake System: Traditional v-brakes deliver reliable stopping power, making them easy to maintain and adjust, ideal for beginners learning the fundamentals of brake control in outdoor environments Choose Ideal Size: Tailored for both men and women, the 26″ adult mountain bike fits riders between 5’4″-5’9″ while the 27.5″ variant fits riders between 5’8″ and 6’5″ Entry-Level Performance: Designed for new mountain bikers, this bike delivers the perfect mix of affordability and functionality.