- Versatile Compatibility: This adjustable bicycle trainer axle includes spacers to fit thru axle hubs of 135mm, 142mm, and 148mm. It accommodates bike frames up to 176mm wide, making it suitable for a wide range of bike models. - Reliable and Secure Fit: Engineered with tapered heads on both ends, this skewer ensures a snug fit in most bike trainer mounting holes. This design prevents slippage, providing peace of mind during intense training sessions. - Durable Construction: Made from high-quality 6061 aluminum alloy, this hub axle is designed for long-lasting performance. It withstands rigorous use without compromising its structural integrity. - Enhanced Frame Protection: The MTB Road Bike Thru Axle Spacers are specifically shaped to align with frame dropouts. This feature protects your bike frame from potential damage while you push your limits. Use Scenarios: - Ideal for indoor training sessions where a secure connection is essential for optimal performance. - Perfect for transitioning between different bike styles, whether you’re switching from mountain biking to road cycling. - Great for competitive cyclists who need reliable equipment that can handle frequent use without wear. This bicycle trainer axle is your go-to solution for efficient training, compatibility with various bike frames, and the durability you can trust.