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. Parameters: Folding Replacement Bike Tire 20x2.125 MAX LOAD 75KG (165 LBS) ,Inflate to 40 P.S.I.(280 KPA) Practical: Multi-functional tread design with excellent off-road appearance, excellent grip and good rolling characteristics, with the ability to switch between on-road and off-road conditions. Premium Material: high content superior butyl rubber formula, more environmentally friendly, less odor, better wear resistance than most tire The 57-406 tires are designed for regular mountain biking use. Damage resulting from 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 to confirm. Compatible range: The size of the Bike Tire is 20x2.125, which can match 20x2.0 20x2.1 20x2.125 20x2.15, 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 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! 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 Please check carefully for the details and size before purchase ASIN B0G88FB2BF Size 20x2.125 Color Black02 Bike Type Mountain Bike Tire Type Clincher Brand Name YunSCM Item Width 2.13 Inches Tread Type Knobby Unit Count 1.0 Count Manufacturer YunSCM Model Number 20x2.125 Item Diameter 20 Inches Material Type Rubber Warranty Type Limited Item Type Name bike tires Number of Items 2 Included Components Package Includes: 2-pcs 20 x 2.125 bike tires Warranty Description 365 days Manufacturer Part Number YW-122-A