Function This adjustable bracket converts a regular bicycle into a disc brake bicycle, making it suitable for both mountain and road bikes. Size options Dual size options with inner diameters of approximately 22 mm and 32 mm to ensure a fit for various bike models. Material and durability Made from robust stainless steel for longlasting performance and resistance to wear and tear. Key benefits Enables disc brake capability on bikes that did not come with discs Provides a stable and reliable mounting solution Durable construction supports regular use and exposure to the elements Use scenarios Road bike upgrading: Convert a nondisc road bike to disc braking to improve stopping power in wet or variable weather conditions. Mountain bike enhancement: Add disc brake capability to an older or nondisc MTB frame to improve braking performance on diverse terrains. Rental or fleet use: Equip bikes in a rental fleet with flexible brake configurations, allowing quick adaptation to different rider needs or conditions. Compatibility and scope Designed to be compatible with both mountain and road bikes Keeps the original framing and mounting considerations in mind while expanding braking options Performance and reliability Stainless steel construction supports durable performance and longevity in daily use Reliable mounting holder designed to withstand typical riding stresses and environmental exposure