EasytoUse Adjustment: To accommodate rear axles of various widths, this skewer allows precise adjustment and comes with spacers of different thicknesses, ensuring a fit for your bike and trainer combination. Easy to Install: the existing thruaxle with this adapter to enhance your bike's durability and style, and to ensure improved wear resistance as you seamlessly begin indoor training. Durability Assured: Made from resilient alloy, this cycle trainer skewer delivers lasting durability and wear resistance, providing a sturdy build that resists deformation and rust for longlasting use. Seamless Indoor Training Setup: Available in three thread pitch options P1.0, P1.5, P1.75 and designed to fit rear axles from 135mm to 148mm, ensuring wide compatibility and easy integration with various bike models and trainers. Use scenario: You own multiple bikes with different rearaxle widths and want to train indoors with a single trainer. This adapter lets you switch quickly by adjusting spacers to fit 135–148 mm rear axles. Use scenario: You are upgrading to a trainer that uses a thruaxle connector. the existing thruaxle with this adapter to enable secure, durable mounting and seamless indoor sessions. Use scenario: You perform frequent indoor training sessions and require a reliable, rustresistant solution. The alloy construction offers longlasting wear resistance and resistance to deformation under torque.