Frame: Reinforced aluminum with two layers 700C Frame size: 16.5 Bicycle weight: 15Kg Front fork: Hydraulic shock absorber with lock Color: Black Gear specifications: Gear: 7*3 speeds SHIMANO Rear derailleur: SHIMANO-SIS Rear cassette: SUN RACE 32 large blade - 12 small blade Front derailleur: SHIMANO - Tourney TZ Brake specifications: Brakes: Disc brake Front and rear brakes: SHIMANO Chain: TG Disc: size 160 Pedals: SHIMANO Crankset: L made of plastic-coated iron Tire and rim specifications: Tire: CST– size (26*1.75) Rim is aluminum. Comes with a two-year warranty with free periodic maintenance. Usage period: Not exceeding one month.