Easy adjustment Washers of varying thickness allow easy width adjustment, ensuring a fit of the pin for your home trainer and throughaxle every time. present for him A thoughtful gift for your father, boyfriend, uncle, or neighbor, this quick coupler for a home trainer expresses care and attention at birthdays, parties, Christmas, or other holidays. Maximum reliability Constructed from robust alloy material for the fast axle home trainer, offering antideformation and antirust performance. Reliable even in wet conditions for consistent operation. Simplified installation Three thread options are available (P1.0, P1.5, P1.75) and it is compatible with 135148 mm axles, enabling smooth mounting between your bike and the trainer without the need for an additional adapter. Use scenarios Switching bikes on a single home trainer: quick width adjustment with washers makes it fast and accurate for different axle standards. Multibike households: compatible with a wide range of axle sizes (135148 mm) to accommodate most road and MTB setups without extra adapters. Indoor training in variable conditions: durable alloy and rust resistance help maintain performance and reliability in wet or damp environments.