Conversion kit for front and rear hubs Front and rear hub conversion: The bike front fork adapter converts 15x100mm to 110mm, and the rear adapter converts 12x142mm to 148mm, providing a convenient conversion solution for compatibility between different hub standards. Anodized finish: With an anodized finish, the adapters have higher hardness and attractive colors, enhancing their overall appearance and durability. Aluminum alloy construction: Crafted from aluminum alloy, these adapters are lightweight yet sturdy, delivering reliable performance during cycling. Key advantages: Enables compatibility with frames and wheels that require 110mm front and 148mm rear spacing, helping you adapt existing components without replacing entire wheelsets. Compatibility and specs: Designed to fit 15x100mm front hubs to 110mm and 12x142mm rear hubs to 148mm, offering a straightforward conversion solution. Use scenarios Scenario 1: You own a wheelset with 15x100mm front and 12x142mm rear spacings and need to fit it to a frame or fork that uses 110mm front and 148mm rear spacing. Scenario 2: You are assembling or upgrading a bike and require a reliable, lightweight adapter set to maintain proper hub alignment across different standards. Scenario 3: You travel with multiple bikes or wheelsets and want a compact, durable conversion kit to quickly switch between hub spacings as needed.