New Carbon Steel 21 Speed 27.5 Inch Non Film Standard Mountain Bicycle Adult Bike

New Carbon Steel 21 Speed 27.5 Inch Non Film Standard Mountain Bicycle Adult Bike. Customization Options: Customize color, logo, design, package, carton mark, and language manual. Multiple Frame Sizes: Available in 24, 26, 27.5, and 29 inch frame sizes. Disc Brake System: Equipped with front and rear disc brakes for superior stopping power. Steel Construction: Durable steel frame and fork with 36 spokes for strength. High Speed Gearing: Features 24-speed variable speed system for versatile riding. OEM & ODM Service: Full customization available from samples or designs. Mixed Container Loading: Different bicycle models can be mixed in a single container. Sample Availability: Samples available for quality check on several models.