27.5 Inch Mountain Bike 29 Aluminum Alloy Bicycle Adult Mountainbike 21 Speed

27.5 Inch Mountain Bike 29 Aluminum Alloy Bicycle Adult Mountainbike 21 Speed. OEM/ODM Customization: Supports custom color, logo, design, package, and manual language. Aluminum Alloy Frame: Durable aluminum alloy frame with integrated sealed bottom bracket. 21-Speed Gearing: Features 21-speed transmission with finger shifters and cassette. Disc Brakes: Equipped with front and rear Yinxing disc brakes with 160mm discs. Shock Absorption Fork: 38mm leg shock fork with black shoulder and lever for comfort. 18 Years Experience: Over 18 years of OEM experience and 20,000 sqm factory. Global Export: Exported to over 50 countries with long-term business partners. Quality Control: Strict QC process where every part has its own quality check.