SHIMANO Umwerfer Altus Multicolor One Size

• Overall, Shimano Altus components are designed for entry-level and mid-range bicycles and offer reliable and durable performance at an affordable price point
• Compact top swing design
• Low friction wide linkage reduces shifting effort and increases rigidity
• Dual pull design allows it to be used with top or bottom cable routing
• Multi clamp band is compatible with all frame dimensions

Shimano Altus is a range of bicycle components manufactured by Shimano, a Japanese company that produces cycling components and accessories."FR MECH" likely refers to the front derailleur (or front mech), which is the component responsible for moving the bicycle chain between the front chainrings. The Altus front derailleurs are designed for mountain bikes (ATBs), and the "FR MECH" may refer to a specific model or version within the Altus range."Altus ATB" likely refers to Altus components that are designed specifically for use on all-terrain bikes (ATBs), which are mountain bikes designed for off-road use."Multi" likely refers to a multiple speed rear derailleur, which is the component responsible for moving the bicycle chain between the rear sprockets. The Altus Multi rear derailleurs are designed for use with multiple speeds (typically 7, 8, or 9 speeds) and are also suitable for use on mountain bikes.