The Zeolite 9s Carbon Folding Bike is one of the most compact folding bikes in the market. Equipped with 20″ Tires, 9-speed adjustment SHIMANO SORA R3000 shifter level and derailleur system, and the SHIMANO MT200 hydraulic brake, it is definitely the best choice for your daily commute.Our frame and fork is made using the Japan Toray T700 Carbon Fiber, as it is uniquely strong, light, and has better corrosion resistance. After folding, it is 80 * 64 * 40 cm, making it convenient to store without occupying more space, and easy to carry on trains and buses.more information please visit https://volckbikes.com/shop/zeolite-9s-carbon-folding-bike/