Features:1. the 6 spoke wheels: lightweight and more durable3.Disc Brakes4.Fashionable, advanced Suspension, Shimanos Derailleur, SHimanos EF500 3*7 Shifter5.Disc brakes-Mechanical,Folding Bike,Fast delivery6.High quality, Full suspensio, Foldable frame7.Slight-rise handlebar enables upright riding to minimize back and shoulder strain; 8.The indexed SHIMANOS rear derailleur combines with the micro-shift twists shifter to deliver 21 speeds on-demand for uphill Climbing, downhill riding, or pure acceleration; removable rear derailleur guard ensures consistent gear operationAccessories introduction:F/derailleur: Shimanos TZ-30.R/derailleur: Shimanos TZ-50Shifter: Shimanos 51-7Freewheel: 7 tower wheelsChain: 108 chainChainwheel: 170 three small sprocketFrame/Fork: 31.8 bold front forkHandlebar/stem: Black Shark 31.8 Black Four Nail CombinationTire: 6-knife wheelFrame: high carbon steelBrake: Tolan disc brake/MTB break leverProduct parameters:Product gross weight (kg/lb): 20kg/44.lbsProduct net weight (kg/lb): 18kg/39.6lbsProduct size: 67in*38.2inPacking size : 52x28x7.5inBrake type: disc brakeLoad capacity:220lbWhether it is foldable: yesTransmission type: 21 speedTire size: 26 inchesMaterial: high carbon steelPrecautions:1. The bicycle installation instructions are included in the package, please read and adjust the brake and speed system carefully before installing the bicycle2. All tools are included in the package, no additional tools3. Please wear a helmet and ride safely (the product does not include a helmet)4. Do not ride in bad weather such as snowing, raining, etc., to avoid accidents5. Approximately applicable crowd height range:5.2-6ftPackage Contents:1x bicycle1x parts kit1x manual