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
While not the OP's bike/company, Trek has a few different levels of Al tubing. Currently in their road line up are 100 series Alpha tubing and 300 series Alpha tubing. Now what do these labels really mean is another topic. Andy
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AndrewRStewart