A variety of colors to suit different personalities and preferences Engineered with precise mechanical processing and refined surface treatments for durability, smooth operation, and a quality finish Designed to help cyclists improve bike performance, with a focus on mountain bikes and folding bikes Simple, tool installation that lets you set it up yourself without professional tools Key attributes Function Enhances bike performance for riders seeking noticeable improvements on the trail or in daily riding Compatibility Suitable for mountain bikes and folding bikes Construction Strict mechanical processing and surface treatments selected to ensure durability and reliable performance Installation Tool, quick to install, enabling DIY setup and adjustments Use scenarios Mountain bike trail upgrade A rider on rugged terrain selects this product to add a color and benefit from improved performance, while maintaining a durable, smooth finish that withstands trail conditions. Urban folding bike commute A city rider with a folding bike chooses from color options to express style and enjoys easy, tool installation for a quick upgrade before a commute or weekend ride. Athome upgrade and maintenance A rider performs a selfinstallation without professional tools, enabling rapid and a straightforward checkandgo setup for weekend rides or daily use