Just came across this detailed article on a pipeline of high end mountain bikes stolen in Colorado being sold through Alexander's Bikes in Juarez via facebook. Report reveals pipeline of stolen Colorado bikes ending up in Mexico
These are very sophisticated theft rings targeting bike shops in a way similar to the (literal) smash and grab at the Peddler. Targeted bikes stolen from individuals and bike shops in Texas are most certainly being fenced in Mexico. This really is big business with a huge payoff over time for the thieves.