The Continental 26" MTB Innertube is standard weight ...
and features a Schrader valve that is fully threaded for ease of use. Don't let bad luck be a "thorn" in your side. Be prepared with the Conti MTB Tube.
featuring a schrader valve of 35mm length. This tube is commonly used on kids bikes and other non-bicycle applications like strollers/joggers, golf caddies and more.