Joined: Feb 2012
Posts: 19,353
Likes: 5,471
From: Rochester, NY
Bikes: Stewart S&S coupled sport tourer, Stewart Sunday light, Stewart Commuting, Stewart Touring, Co Motion Tandem, Stewart 3-Spd, Stewart Track, Fuji Finest, Mongoose Tomac ATB, GT Bravado ATB, JCP Folder, Stewart 650B ATB
I, too, have seen this type of crank/axle fitting. And like Francis I can't remember the brand or model names (although seem to think it was on a BMX/Freestyle bike) and agree with the speculation of not finding a replacement. If you pull the BB there might be some info marked on it. Andy
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AndrewRStewart