I built my winter rain bike from a mid to late 80's Sekai 4130 solid fork mtn bike. New rims and tires and a few other goodies and she's good to go. Lot heavier than my summer bikes though. The ride is real solid and very smooth.
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(Life is too short to play crappy guitars) 2006 Raleigh Cadent 3.0, 1977 Schwinn Volare, 2010 Windsor tourist. ( I didn't fall , I attacked the floor)