Our 12X1.75 /2.125 Tire is suitable for road bike tire, Kid Bike tire,Mountain bike tire,Compatible with 112x1.75/ 12x1.90/ 12x1.95/ 12x2.0/ 12x2.10/ 12x2.125 bicycle tire tubes, please check the original inner tube size before purchase to ensure smooth replacement
Material: Thick butyl rubber tires can absorb the impact, you will not easily feel bumps and discomfort during the riding process, the base rubber has excellent elasticity and flexibility, like a layer of intimate cushion, for you to create a comfortable and comfortable riding experience. Compared with traditional rubber inner tube, it has better air retention, which can significantly reduce air leakage and reduce your trouble of frequent inflation
This inner tube is equipped with 32mm straight cylinder American air nozzle, please ensure that the rim has enough room for air nozzle inflation operation before purchasing
Installation tips: During installation, inflate the inner tube in small amounts, place it in the outer tire that needs to be cleaned in advance, and continue to inflate until it fits tightly into the outer wall. Before use, be sure to check whether the inner tube is leaking, if there is a leak, please leave a message and provide relevant proof pictures, so that we can solve the problem for you more effectively
Tips for replacing the bicycle inner tube: Remember to inflate the inner tube before installation to prevent the inner tube from twisting and ensure that the inner tube is smooth. Also, be sure to check that the tires are snug against the rim on either side