It means calm and reserve to me, perhaps coupled with a careful observation of one's manners. It's not exactly a manner of dress or speech- more a way of behaving. Bashfulness and modesty doesn't bring anything but good.
The Rca frame and basic hardware weigh less than 1.5 pounds, keeping the bike's total built weight to about 10 pounds. Tour de France riders must add ballast to hit the race's 15-pound minimum. Drag consumes up to 50 percent of a racer's energy when he's in a pack, 90 percent when he's riding alone. The tubes of the Rca frame are teardrop-shaped in cross section, improving aerodynamics.
Running from Saturday July 4th to Sunday July 26th 2015, the 102th Tour de France will be made up of 21 stages and will cover a total distance of 3,360 kilometres. 1  9 flat stages. 2  3 hilly stages. 3  7 mountain stages including 5 summit finishes.  1 individual time 1  trial. 1 team time trial.  2 rest days.