[Precision Axle Compatibility] Designed to fit M10x1.0 solid axles, ensuring a secure fit with standard bike frames and trailers. Eliminates compatibility concerns. [Anti-Lock Upgraded Design] Features an interlocking teeth mechanism to prevent loosening during rides. Provides superior safety compared to conventional smooth adapters. [Critical Clearance Extension] Adds over 15mm of hitch-to-tire spacing, preventing collisions during turns and stops. Ensures adequate tire-coupler separation for stable towing. [Tool-Free Adjustable Installation] No tools required—installs in under 60 seconds. Includes three nylon spacers to customize fit for various axle configurations. Color: Silver Material: Stainless Steel Package Contents: 1 x Bicycle Trailer Axle Adapter Kit Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.