Lighter frames bend with every pedal stroke due to the Mass on the rear rack and your forces in pedalling
Oversize tubes help ... 1_1/8" top and 1.25" downtubes..
Of course Having a Touring Bike like shown in 28, is different from taking what bike you own
and going someplace on what you have. and touring on it..
Last edited by fietsbob; 06-17-15 at 09:45 AM.