Frame:Aluminum alloy Cassette:7 pieces positioning Fork:Shock fork, 38 legs, black shoulder and black lever Saddle:Black Mountain Saddle Sticker:Inner sticker Pedal:All aluminum with beads, with ordinary standard reflector Painting:Painting Seat post:27.2*250MM*1.2T iron with safety wirel Bottom bracket:Integrated sealed shaft Brake:Yinxing Front and rear disc brakes, with 160 cassette discs Wheel:Spoke wheel Brake lever:Black B68 aluminum alloy brake lever Rim:Aluminium rim Brake line:Black environmental protection line pipe Outer tire:2.125 black,no logo tire Front derailleur:Copy TZ30 31.8 pull-up, with 42T SHIHONG mark Inner tire:1.95 all black natural rubber beauty mouth BK Rear derailleur:Copy TZ50 Direct Mounting Positioning SHIHONG mark Handle bar:Steel small swallow handle Finger shifter:Copy EF51-7 Left 3 Positioning Right 7 Positioning SHIHONG mark Stem:Hexagonal Stem Kickstand:Double eye bike ladder Grip:Rubber grip Package:85%skd