- Easy-to-Use Adjustment: Designed to fit rear axles of different widths, this skewer provides precise adjustment and includes spacers of varying thickness to ensure a perfect fit with your bike and trainer combination. - Easy to Install: Replace your existing thru-axle with this adapter to upgrade durability and style, improving wear resistance as you begin indoor training. - Durability Assured: Made from a resilient alloy, this cycle trainer skewer offers lasting durability and sturdiness, resisting deformation and rust for long-term use. - Maximized Bike Adaptability: Provides three thread pitches P1.0, P1.5, and P1.75 and fits 135-148mm rear axles, enabling seamless bike-trainer connections across a wide range of bike models. Use scenarios: - Scenario 1: Set up indoor training on a bike with a 142mm rear axle. Use the spacer set to achieve the exact width for a secure, stable connection to the trainer. - Scenario 2: Manage multiple bikes with rear axles in the 135-148mm range. Switch the adapter between bikes for quick, reliable trainer compatibility without tools. - Scenario 3: Replace a worn-out thru-axle on your trainer with this alloy skewer to maintain stiffness and reliability during high-intensity or long-duration workouts.