





Model Folding 21-speed Folding 27-speedFront dial: TZ30 FD-M20After dialing: TZ50 RD-M25Dial: EF500 TS70-9 speedFlywheel: 7-position positioning flywheel 9-position positioning flywheelChain: 7-speed positioning chain 9-speed positioning chainSprocket crank: 42*32*24T*170L rouletteFrame/front fork: Oubaike G4 high carbon steel frame shock absorber front fork / A6 aluminum alloy frame shock absorber handlebar / handlebar: mountain straight handle Aluminum alloy four nail handleBrake/brake: front and rear aluminum alloy disc brakesTires: 26*1.95 tiresRims: broken wind wheel / K cutter wheelHub: Disc brakes for mountain bikesCushion: Oubei sitting on a mountain bike seat cushionPedal: non-slip resin foot pedal









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