Basic configuration of Cool M300

Cool M300 frame OYAMA 20-inch 606 1 aluminum alloy sports damping folding frame folder OYAMA-LM type offset aluminum patent folder (including automatic locking safety function) rear shock absorber KINDSHOCK aluminum body spring shock absorber front fork OYAMA steel front fork front fork rotating bowl set, NECO steel ball bearing and hot forging, quenching and tempering shaft shift lever Shimano SL-RS35 6-speed crank front transmission without rear transmission Shimano RD-TY 18 rear gear plate crank group PROWHEEL 52-tooth steel gear plate and aluminum crank flywheel 1 4-28-tooth 6-speed fastening flywheel chain K MC Z30 variable-speed chain wheel hub steel wire head and galvanized traveler 28-hole single-layer aluminum anode coated rim tire Kenda 20* 1.5 inch tire driver PROMAX high-quality sandblasted anode aluminum T-handlebar upper riser lower riser OYAMA leans forward 8 degrees toothless steel electrostatic paint coating riser folding device OYAMA-SU2 toothless appearance fastening steel patented folding device brake brake brake ARTEK high-strength plastic brake brake brake ARTEK high braking performance. Energy-saving aluminum V-shaped brake pad JUSTEK ergonomic breathable comfort seat rod steel electrophoretic coating seat rod pedal VP High-strength plastic single-sided folding pedal brake line shell built-in spiral steel brake line shell magnetically attracts fender-free steel electrostatic paint coating fender shelf reserved shelf mounting hole aluminum bell reflector CATEYE high-reflection safety reflector group car package number.