Huffy Rock Creek Mountain Bike 29 Wheels 18-Speeds Ages 14+ Black The Huffy Rock Creek 29-inch Mountain Bike in black with teal accents combines a hardtail frame great style and the right specs to have a blast over bumps on paved trails or rides around the neighborhood. Smooth 18-speed index shifting system with a Shimano rear indexed derailleur consistently shifts between gears for quick adjustments venturing uphill or accelerating on level ground. Plus the front suspension fork responds as you ride for better control over curbs potholes and branches. The slim ATB saddle includes an alloy quick-release seat binder for easy adjustments to the right height or to simply remove when needed. Lightweight aluminum rims and 3-piece steel crank improve performance for a solid ride. Kraton MTB grips add comfort for a great hold while you enjoy the great ride of the Huffy Rock Creek. From Huffy We Make Fun!