Product Specifications:This inner tube is sized 14x2.125 (57-254) with a CR202 angled valve,compatible with most 14-inch e-bikes and scooters for hassle-free replacement.
Premium inner tube:This 14x2.125 inner tube features high-quality butyl rubber composite,with superior wear,puncture and slip resistance.It outperforms natural rubber in airtightness,shock absorption and anti-aging.
Compatible Models:Compatible with electric scooters (Jetson, Gotrax, etc.), folding e-bikes,electric tricycles and most 14-inch kids' bikes from Coewske,Royalbaby,Schwinn,Joystar,Dynacraft.
Superior Air Retention:14x2.125 butyl inner tube with beveled valve stem for enhanced sealing and outstanding air retention.Maintains long-lasting stable pressure after inflation,minimizing frequent refills.
Important Notice:Check specs and size before buying;confirm valve position and mounting direction before installation;keep inner tube away from sharp objects to avoid punctures;contact us anytime for help.