29 inch mountain bike aluminum alloy mountain bicycle 21/24/27 speed student bicycle adult bike light bicycle

29 inch mountain bike aluminum alloy mountain bicycle 21/24/27 speed student bicycle adult bike light bicycle   Fork Material: Aluminum AlloyFrame Material: Aluminum AlloyApplicable People: UnisexRim Material: Aluminum AlloyType: Mountain BikeFork Suspension: YesGears: 21/24/27Foldable: NOGender: MENNet Weight: 17Load Capacity: 140kgGross Weight: 20Front Fork Type: Spring Fork (Low Gear Non-damping)Braking System: Silver Star Mechanical Disc BrakeWheel Size: 29inchStature: 150-200cmLength (m): 182cmVolume: 0.2Pedal Type: Ordinary PedalFrame Type: Hard Frame (Non-rear Damper)Name: Mountain bike bicycle aluminum alloyColor: white blue/black red/black blueFrame: Aluminum alloy soft tail shock absorber framePaint: German electrostatic baking paintSpeed: 21/24/27Fork: U-shaped reinforced shock absorber front forkSeat: Ergonomic comfort seatFlower drum: Mountain bike aluminum hubRims: Aluminum alloy disc brake T-shaped cutter ringDisc brake: Silver Star Mechanical Disc BrakeUser: Unisex   29 inch mountain bike aluminum alloy mountain bicycle 21/24/27 speed student bicycle adult bike light bicycle Lightweight aluminum alloy material Matte paint,rain is not afraid of rust product parameters Curved rear Curved design, not only beautiful but also protects the disc brake Bold shock absorber front fork The front fork rebounds vigorously and rides comfortably Aluminum alloy sprocket wkeel Strong rigidity,perfect combination with chain, safer riding Black matter crossbar handlebar Handy and easy to force Comfortable seat