Old 04-14-21, 01:05 PM
  #34  
Tourist in MSN
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Join Date: Aug 2010
Location: Madison, WI
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Bikes: 1961 Ideor, 1994 Bridgestone MB-6, 2006 Airnimal Joey, 2009 Thorn Sherpa, 2013 Thorn Nomad MkII, 2015 VO Pass Hunter, 2017 Lynskey Backroad, 2017 Raleigh Gran Prix, Perfekt 3 Speed -age unknown, 1980s Bianchi Mixte on a trainer. Others are now gone.

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There is gravel and there is gravel.

Last summer I frequently rode on three Wisconsin rail trails, one of them had a good firm base, 32mm road tires were fine. I used 37mm tires on the other two that were pretty firm but occasional soft spots.

Two years ago, one of the trails that I used 37mm tires on last year, two years ago I was using 57mm mountain bike tires because they had repaired a number of washouts with beach sand, you would be riding along at 12 to 15 mph and with narrower tires you could suddenly hit a soft spot and dig in and lose the ability to steer. Some of my friends crashed with narrower tires.

I have toured on gravel roads that were as solid as asphalt, but I have also toured on gravel 4X4 roads that was so rough that if you saw something smaller than a tennis ball in the road you did not bother trying to miss it. I have also toured on gravel roads that had washboard that was so rough I could not go over 8 or 9 km/hr.

There is a huge range of gravel.
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