Polaris Scrambler 26" Men's Full-Suspension Mountain Bike Bike Type: Full Suspension Mountain Bike--Front and rear suspension work together to give you a smooth overall ride by absorbing harsh bumps. Bike Frame Material: Steel --A strong and durable material that will last. Type of Shifter: Twist Shifters--You simply twist the shifter portion of the handle grips to change the gears. Front Brake: Linear Pull-- Rear Brake: Linear Pull--