Exultation comes before a crash ;-) [Pride comes before a fall.] Celebrating trail riding in Boulder, CO on a Dahon 2004 Matrix extensively upgraded for trails. Hutchison Python tires were more than perfect on most Boulder trails. But they suck on single track. Shortly after this pix was taken, Matrix and yours truly crashed crossing a bridge with a technical single track (~6-inches of dirt between rough planks). Sorry, no pix of the crash ;-)