Easy to install without complex tools: no professional maintenance required, making transformation quick and straightforward and solving tedious installation issues. adaptability across bikes: works with bicycles that have reserved hole accessories and those without reserved holes. Compatible with multiple vehicle models, delivering threefold adaptability compared with traditional accessories and addressing modification needs across different models for all types of bicycle owners. Durable ABS construction: corrosion resistant and designed to withstand frequent use, making it suitable for longterm outdoor cycling enthusiasts. Enhanced stability and strength: combines hole buckle rings and pipe clamp to improve installation stability by 40 percent. Capable of withstanding tensile forces over 20 kg, reducing the risk of loose accessories in complex riding conditions. Specifications and performance Function: enables easy transformation and modification of bike accessories without professional tools; stabilizes mounted components. Compatibility: suitable for bicycles with reserved holes and for those without reserved holes; works across multiple vehicle models. Material: ABS for durability and corrosion resistance. Performance: after installation, stability improved by about 40%; tensile capacity exceeds 20 kg. Use scenarios Quick accessory upgrades across different bike models: swap or install accessories on bikes with and without reserved holes without needing tools. Urban commuting and mixedterrain rides: reliable mounting that resists loosening in varied riding conditions. Family or shared bikes: a single solution that fits multiple bicycles, reducing the need for modelspecific parts.