GT, 2006 GT Avalanche Expert Hardtail Mountain Bike All Mountain Bikes >>> Mountain Bikes by GT More details and ordering info. Since the 2006 GT Avalanche Expert Hardtail Mountain Bike is a magnificent mountain bike, it is sure to make you happy. The outdoors is waiting for you to roll in on your 2006 GT Avalanche Expert Hardtail Mountain Bike; you must heed the call of the wild. Buying a 2006 GT Avalanche Expert Hardtail Mountain Bike may be fairly pricey, but it's a splendid choice if you love biking. Riding down a mountain on this mountain bike is the most fun you can have. User input on 2006 GT Avalanche Expert Hardtail Mountain Bike by GT: Be the first to submit input on this product Submit Input: Your Name: Write or Paste Input here: Upload picture:      Review Guidelines