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Join Date: Feb 2012
Location: Rochester, NY
Posts: 18,095
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
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Carry that checker with you on rides with friends and ask to check their chains to begin to gather more data points. I know of no pounds of pressure spec when using a checker, but I also haven't read each manufacturer's instructions. IME far less pressure that a wheel's QR needs to seat, maybe close to or a bit less then a classic Campy NR brake caliper QR needs. Andy
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AndrewRStewart