Frame material 26 "high carbon steel frame 21 speed positioning and shifting system Pull up Aluminum alloy four nail combination Bally High carbon steel off-road frame Front fork Thick shock absorber front fork Front and rear disc brake Disc brake Front and rear line brake disc brake assign Switch to one dial Forward dial 21 speed forward dial Back dial 21 speed back dial Inner tube American style butyl tube Outer tyre 26 inch mountain off-road tires Central axis 3S center axis Handlebar style Straight pipe handle stand Suggested height 155-185CM Body length 174CM Handlebar height 96CM