- Wide Compatibility: This bike trainer axle is designed with adjustable length and spacers, accommodating thru axle hubs from 135mm to 148mm. It fits bike frames up to 176mm wide, making it versatile for various models and ensuring you can use it with your current setup. - Secure Connection: The tapered heads on both ends ensure a snug fit in most bike trainer mounting holes. This design minimizes the risk of slippage during your training sessions, allowing for a more stable and focused workout. - Durable Construction: Made from high-quality 6061 aluminum alloy, this hub axle is built to endure the demands of intense training. Its robust material maintains structural integrity, providing long-lasting performance. - Protective Spacer Design: The MTB Road Bike Thru Axle Spacers are engineered to conform to the shape of frame dropouts. This added protection helps prevent damage during high-energy workouts, ensuring your bike remains in top condition. Use Scenarios: - Perfect for indoor training sessions, allowing you to maintain your fitness regimen during inclement weather. - Ideal for competitive cyclists looking to enhance their training routine with a reliable setup. - Great for casual riders who want a dependable option for their home bike trainer, ensuring safety and stability while exercising.