Parameters: 700C foldable bike tires 700 x 38C MAX Inflate to 3.5BAR/50PSI P.S.I. Max LOAD 176LBS(80KG) Practical: The smooth pattern in the middle ensures low resistance when driving in a straight line, making it easier to ride, and the blocky grain pattern on the shoulder guarantees the grip of the tire when turning, which is very suitable for riding on flat urban roads Ultra-durable: The 700x38C tires are made of high quality rubber material and nylon cord technology, with strong grip and wear resistance. Package Includes: 700x38c bike tires(x2) , 700x35/43C FV48mm Presta Valve bike tubes(x2) , 2 rim strips and tire levers. Note: The Presta valve core of this inner tube is not removable. Compatible Range: The size of the Bike Tire is 700 x 38C, which can match 700 x 36C 700 x 37C 700 x 39C road/ city/ commuter bike tires, 700x40C(36-622, 37-622, 39-622, 40-622), which will not affect the use effect. lf you mind that the mode is not completely symmetrical, you can choose to buy other exactly the same model in the shop. New soft wire technology: The tire 40-622 can be folded, easy to store and carry. After the tire is opened from the folding mode, it is normal that it is relatively soft and can be installed normally. Please note: the steel wire part of the outer tire cannot be completely folded after receiving it, which will lead to uneven installation. If you want to restore the original shape after disassembling, you need to gently fold or roll it according to the received state, and do not overexert! Practical and beautiful tire lever: Printed with beautiful brand printing, groove is specially set for the air valve vent, tire lever itself has a non-slip setting; And the edge is not sharp, it is not easy to tie the tire when installing. Please check carefully for the details and size before purchase. Note: Upon receipt of the product, please check whether the steel wire of the tire lip is severely bent and unable to recover and the steel wire metal leakage. Before installing the tire, check the rim tire for no burr before installing. If the inner tube bursts after installation, please check the tire again before replacing it to see if it is damaged, especially to check whether the outer tire has any broken lip steel wire, metal leakage, or cord fabric breakage The tires are designed for regular road riding applications. Damage resulting from non-standard use such as extreme off-road riding, overloading, racing, modifications, or improper installation is not covered under warranty. For special requirements, please contact us via Amazon Messages before purchase for confirmation Package Includes: 700x38c bike tires(x2) , 700x35/43C FV48mm Presta Valve bike tubes(x2), 2 rim strips and tire levers