Lightweight & High Strength: Made from carbon fiber material, this crankset offers an excellent balance between weight and rigidity, enhancing your cycling performance with reduced weight and increased strength. Innovative Design: The one-piece forming process ensures durability and performance, while the hollow construction further improves overall efficiency, making your rides smoother and more enjoyable. Corrosion Resistant & Durable: The carbon fiber material not only provides high strength but also resists rust and corrosion, ensuring long-term use without deformation. Enhanced Compatibility: The 28.99mm aluminum alloy axle is designed with drilled splines to reduce weight and offers greater compatibility with various bike frames, allowing for easy upgrades. Adjustable & Stable: Equipped with a built-in adjustment function and pre-pressed lock ring, the crankset provides easy installation and stable performance, ensuring no slippage during vigorous sprints.