Amazon.com : Sirdar S-800 29 inch 27 Speed Mountain Bike Double Disc Brake Full Suspension Fork, Aluminum Alloy and High Carbon Steel Bicycle with 2 Replaceable Saddle for Men Women Youth Adults :
Amazon.com: Giant Mountain Bike
Viathon M.1 GX Eagle Carbon Mountain Bike, Small - Walmart.com
Amazon.com: Bike Specialized Carbon
Specialized Carbon Hotwalk - Specialized Created an All-Carbon Bike for Kids