What lures cycling fanatics to make the long, arduous trek to Cutler Bay? We understand diehard road-bikers thrive at the prospect of settling into the saddle for a six-hour century or powering into headwinds so strong they make flat roads seem like the slopes of Alpe d'Huez. But doing so around most parts of Miami also means trying to avoid a collision with a vehicle whose driver refuses to share the road. And it's difficult to yell back, "Why don't you get off the road, you stupid a*!<\"