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Brother Buzz

(38,195 posts)
8. I always knew it as the Dunlap valve
Tue Apr 5, 2016, 09:14 PM
Apr 2016

The improved 'Woods valve' still had the funky rubber tube insert valve system that wasn't replaced for decades. The old-timer who turned me on to the Dunlap explained how you had to disassemble the insert and spit on it to get it to work properly. I used the new and improved Dunlap tubes on a 1970 monster bike build (the name mountain bikes hadn't been invented yet) because I loved the threaded stem. I replaced them as soon as I found threaded stem Schrader tubes to fit 26 X 2.125 tires.

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