- Premium Quality Material: Crafted from high-grade aluminum alloy, this crank offers durability and longevity. Crank length is 170MM with a screw diameter of 15MM, ensuring safety and reliability for your biking needs. - Lightweight and Compact Design: The crank arm set not only enhances the aesthetic appeal of your bike but also maintains a lightweight profile, making it an excellent choice for performance-oriented riders. The BCD (Bolt Circle Diameter) measures 104mm, with an inner BCD of 64mm. - Reliable Performance: Engineered for stability and high reliability, this crank features exquisite craftsmanship and a stylish appearance, giving you confidence in your purchase. The product meets strict quality control standards, ensuring dependable use. - Versatile Compatibility: This crankset is designed for remodeling mountain bikes and supports single, double, and triple speed configurations. Its strong axial strength and compatibility make it a versatile addition to your cycling setup. - Practical Applications: Ideal for upgrading your mountain bike, replacing worn-out components, or enhancing the overall performance of your cycling experience. This crank is suitable for both casual riders and seasoned cyclists looking for quality and performance. - Customer Support: We prioritize your satisfaction. If you have any questions or face any issues during use, feel free to reach out to us. We are committed to providing timely solutions and ensuring a positive after-sales experience.