
Alloy Mountain Bicycles 27/29 Inch Bicycle Mountain Bike for Adult. 24-Speed Gear System: Equipped with 7s to 12s index chain options for versatile riding performance. Multiple Frame Sizes: Available in 14'' to 21'' frame sizes to fit various adult riders. Diverse Wheel Options: Supports 26, 27.5, and 29-inch wheels with multiple tire width choices. Customization Available: Custom options welcome for color, size, logo, design, package, and carton mark. 1-Year Warranty: Comes with a standard 1-year warranty coverage for peace of mind. Aluminum Alloy Frame: Constructed with durable aluminum alloy for a lightweight and strong build. Free Sample Policy: Samples are provided free of charge; only shipping costs apply. Fast Response Time: Quotations provided within 24 hours after receiving detailed requirements.