Great mountain-bike trails: From Devil’s Backbone to Super Magic Bus

While Boulder isn’t spoken of in terms of inventing mountain biking — Crested Butte or Cupertino, Calif.,  are usually credited with that — the city wasn’t far behind in embracing it to the fullest.

“I actually remember when you could still ride the Mesa Trail,” offered Duane Duggan, who has spent almost four decades in Boulder County real estate, a substantial amount of it on top of two fat and knobby tires. “And I do remember when mountain bikes were ‘clunkers,’” conventional road bikes with gears and tires swapped out.

From the advent of the…