The Shimano Altus FD-M370 front derailleur is designed for 3×9-speed MTB and trekking bikes, offering smooth, light shifting action. It features a top-swing, low-clamp mounting system, compatible with 34.9mm (28.6mm/31.8mm with adapter) clamps. The derailleur supports up to 44-48T front chainrings and provides a total capacity of 22T. It is made with durable aluminum and steel for long-lasting performance, ensuring reliable gear transitions on your rides.