Alloy Bicycle Crank & Chainwheel – BM-01
Precision-engineered 6061 aluminum alloy crank for superior strength-to-weight ratio. Heat-treated 8-speed chainwheel ensures smooth belt drive compatibility and long-lasting durability. 170mm crank length optimized for road/MTB performance, reducing fatigue on long rides. CNC-machined teeth with reinforced base plate for minimal chain slippage and quiet operation. Sleek black/blue anodized finish resists corrosion and scratches in all weather conditions. Ideal for urban commuting, trail biking, or upgrading vintage road bikes with modern drivetrain efficiency. Direct bolt-on compatibility with most standard bottom brackets – no specialized tools required. Weight-saving hollow axle design enhances pedal responsiveness without sacrificing stiffness. Laser-etched alignment marks for precise installation and gear ratio customization. Bulk order discounts available – global shipping with guaranteed lowest wholesale pricing.