Tailored adjustment for a precise fit - Easy to adjust width with a spacer set for precision alignment between bike and trainer. Easy to mount and upgrade - Replace your existing thru-axle with this adapter to upgrade your bike for indoor training. - Provides enhanced durability and a sleek look while simplifying indoor training setup. Durable and reliable - Made from tough alloy for solid performance. - Resistant to wear, designed to last without deformation or rust. Flexible integration and broad compatibility - Three thread pitch options: P1.0, P1.5, P1.75. - Compatible with rear axles 135-148 mm wide. - Enables easy connection of your bike to most indoor trainers. Use scenarios - Scenario 1: Winter or poor weather indoor training. Swap to this adapter to quickly set up your bike on a smart or classic trainer for focused workouts. - Scenario 2: Multi-bike households. Use the same adapter across bikes with rear axle spacings from 135 to 148 mm, reducing the need for multiple skewers. - Scenario 3: Upgrading from a standard thru-axle. Convert quickly to trainer-friendly setup without buying a new through-axle kit, while maintaining a clean, secure mount.