<p><b>FRAME SET</b></p> <p>FRAME: High-carbon Steel, Optimize Routing</p> <p>FORK: MTB Front Suspension Fork</p> <p><b>DRIVETRAIN</b></p> <p>Derailleur: SHIMANO TZ500</p> <p>Shift Lever: SHIMANO RS35</p> <p>Chain: 1/2"*3/32"*106L</p> <p>Speed: 21</p> <p><b>BRAKES</b></p> <p>Front Brake Disc: Mechanical Disc Brakes</p> <p>Rear Brake Disc: Mechanical Disc Brakes</p> <p><b>COCKPIT</b></p> <p>Saddle: Foam Saddle Can Adjust Height and Inclination</p> <p>WHEELS AND TIRES</p> <p>Tire: 24*2.125</p> <p>Rim: 24*1.75 AV Aluminum</p> <p> </p> <p><b>About install:</b></p> <p>1. 86% of the bicycle has been assembled. You need to install pedals, front wheels, handlebars and inflate the tires.</p> <p> 2. Rotate the front fork 180 degrees before assembling the front wheel (the brake will be in front of the bicycle)</p> <p> 3. The left and right pedal threads are different. The spindle of each pedal is marked with an L/R mark to ensure that they are assembled in the correct position.</p> <p>The right side pedal has right-hand threads. The left pedal has left-hand threads.</p> <p>Use a tool to screw the two pedals into the crank arm as much as possible.</p> <p> 4. All tools are included in the package, no additional tools.</p>