UNIVERSAL COMPATIBILITY: Designed to securely mount U-locks on most road and mountain bike frames with adjustable bracket system SECURE MOUNTING: Features robust fastening mechanism to prevent lock movement and rattling during rides ADJUSTABLE FIT: Versatile bracket design accommodates various frame tube sizes and shapes for optimal positioning QUICK ACCESS: Easy-to-use mounting system allows for swift lock removal and attachment when needed DURABLE CONSTRUCTION: Made with strong black material that withstands daily use and various weather conditions, Manufacturer: ssmmam