Bicycle specifications Weight: 16 KG Frame: Aluminum Rim: Iron Stem: Aluminum Front and rear hub: Disc Rims: Iron Rim wire: Aluminum Brake: Disc Front and rear gears: Shimano Front shifter: 3 speeds Rear shifter: 7 speeds Clutch: Shimano TOURNEY Pedals: Reinforced plastic with reflector Front hydraulic shock absorber Middle spring Manual seat adjustment Manual front tire adjustment Manual rear tire adjustment Rim size: 26x1.95 Suitable height 157 cm - 178 cm