The Robert Axle Project - Thru Axle for Bike Trainers - 12x142mm Mavic Speed Release - TRA224

The Robert Axle Project 12 mm thru axles for trainers adapt your 12 mm thru-axle equipped mountain, cross, gravel or road bike to modern bike trainers. No longer do you need a second bike for indoor training or warming up for a race. With the 12 mm thru axles for trainers, you can now train and warm-up on your race bike.

The best part? When it’s time for your race or time to head outside, you’ll have a high performance thru axle. No need to switch axles all the time. Your bike is always ready to ride, indoors or out, with or without the trainer. 

This axle has a unique thread that ONLY works with the Mavic Speed Release system.

165mm length for 12x142mm installation dimension

• The axle shaft is 7075 aluminum and hard black anodized for rugged durability
• Maximum stability
• No special tools required. Design allows for installation or wheel removal using your standard 5mm hex wrench
• Designed, manufactured and quality tested to the highest standards in Bend, Oregon, USA