Easy and precise width adjustment: Includes a variety of thickness spacers for quick, accurate width tuning, guaranteeing a biketrainer thruaxle skewer fit every time. Simple installation: Swap your bike's thruaxle with this adapter for improved wear resistance and a sleek appearance, helping you start your indoor training routine without delay. Durable alloy construction: Made from resilient alloy material, this cycle trainer skewer delivers lasting durability, wear resistance, and stiffness while resisting deformation and rust for longterm use. Wide compatibility and flexible threading: Provides three thread pitch options—P1.0, P1.5, and P1.75—and fits rear axles from 135 to 148 mm, enabling seamless connections with a broad range of bike models. Use scenarios Home gym setup: Easily switch between different bikes on a single trainer. The spacer set and multiple thread pitches ensure a secure, quickfit connection each time, minimizing setup downtime between rides. Shared studio or club training: Accommodate riders with varying frame widths and rearaxle standards. The adjustable spacers and multiple thread pitches let you prep bikes for trainer sessions fast and reliably. Travel or multibike environments: When transporting a bike or using different bikes with your trainer, the adapter provides a durable, compatible solution that reduces the need for multiple skewers or tools.