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The Robert Axle Project

The Robert Axle Project - Thru Axle for Bike Trainers - 12x142/148mm - M12x1.0 175/183mm - TRA226

The Robert Axle Project - Thru Axle for Bike Trainers - 12x142/148mm - M12x1.0 175/183mm - TRA226

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.

Solidly made of anodized 7075 aluminium. Easy to use with a 5 mm Allen key. No special tools required. Version for 12x142/148 mm. Made in the USA.

Replace the existing 12 mm thru axle with a Robert Axle. Use the attached PDF to find the right thru axle length for your bike! 

Included in delivery: 1 axle, nuts and required parts
Manufacturer item code: TRA226

Fact Sheet of The Robert Axle Project - Thru Axle for Bike Trainers - 12x142/148mm - M12x1.0 175/183mm - TRA226

Product Name: The Robert Axle Project - Thru Axle for Bike Trainers - 12x142/148mm - M12x1.0 175/183mm - TRA226
Manufacturer: The Robert Axle Project
Item Code: RAP478855
activity: Cycling
material: Aluminium, Stainless Steel
usage bikesport: Road Bike, MTB
axle standard: 12x142mm (RW), 12x148mm Boost (RW)
length: 183mm
quick release/through axle version: Rear
thread: M12x1,0
Model year: 2023
Color: Black
Axle Finder
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