The Shimano Altus crankset is designed for mountain bikes and trekking bikes, offering reliable performance with 9-speed derailleur compatibility. This model features a triple chainring configuration with 22-30-40 tooth gearing, providing a wide range of gearing options for various terrains and efficient pedaling. Made from durable steel, it ensures resistance to wear. The crankset includes a crank arm length of 175 mm and a chainline of 50 mm, optimized for stable power transfer and smooth operation. It utilizes the Hollowtech bottom bracket system, contributing to reduced weight and increased stiffness. The design is unisex and finished in an elegant black color, suitable for a wide range of cyclists. Included components are a crankset and a left crank, ready for installation. This crankset is the successor to previous Altus models and upholds Shimano's reputation for quality and precision in bicycle components.