death threats, constant harassment. >> when the girls are riding, do men yell at them? >> yeah. >> so predictable that the whole team trains in secret, dodging trucks and countless road hazards on the edge of town, the girls always in head scarves, full sleeves and long pants, fighting the stub born taboo. in fact, in kabul's main bicycle mart, the very idea of women riding bikes to go to work to go to the market to get from here to there, meets with one response. old and young, the men here, and it's all men, except for the women passing through, say no. women should not ride a bicycle, we were told, they should be at home and cover their faces if they are out. still, salma says that while some humiliate us, others encourage us. the encouragement from colorado is crucial and growing. >> we have got shoes. we've got helmets. we've got a ton of cycling clothing. tools. we have got various parts.