Which quotes and statistics from chapter 4 of wheels of change most develop the central idea that women bicycle racers were very competitive with each other?

Your answer would be, Many sustained injuries at a race in 1881, five of the six female competitors had previously suffered at least one broken arm, but they kept coming back.

Even so, she "rode like a wild woman for at least an hour and a half" on night five, finally tiring and falling to fourth place.

"Bitter rivalry, that characteristic feminine trait, and the determination to 'get even' are seemingly the actuating motives," wrote the Times.

Hope that helps!!!