( Steel ) Front Gear: TZ35 Rear Gear:TZ50 Disk break Enhanced Front Fork --- Frame material Aluminum alloy ultralight frame Aluminum alloy ultralight frame Pull up Aluminum alloy four nail combination Bally 21 speed positioning and shifting system Front fork Thick shock absorber front fork Thickened and thickened double rim Disc brake Front and rear line brake disc brake Card type integrated shaft skin assign Switch to one dial Cross country style saddle Forward dial 21 speed forward dial Front and rear copper disc brake Back dial 21 speed back dial Inner tube American style butyl tube Outer tyre 24 inch mountain off-road tires Central axis 3S center axis Handlebar style Straight pipe handle stand Suggested height 145-170CM Body length 163CM Handlebar height 92CM