The Robert Axle Project 167mm M12x1.75mm Trainer Axle (TRA221)
The Robert Axle is designed to replace your standard thru-axle to accommodate a resistance or wind trainer. Simplify your race day routine! Bring your best bike. Use the Robert Axle on your trainer, then leave it on to race, if you wish.
- Axles are precision CNC machined, AL7075
- Hard anodized for durability, Black
- Includes stainless steel axle ends
- To install or remove rear wheel, end caps have been drilled to allow the use of a 6mm hex key; no special tools required
- Designed, built and tested in the USA
Note: Length dimension refers to the length of the axle shaft. All axles are compatible with +/- 2mmÂ
MODEL ID:Â TRA221
THE ROBERT AXLE PROJECT THRU AXLE FINDER
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Product Information
Shipping & Returns
Shipping & Returns

The Robert Axle Project 167mm M12x1.75mm Trainer Axle (TRA221)
The Robert Axle Project 167mm M12x1.75mm Trainer Axle (TRA221)
The Robert Axle is designed to replace your standard thru-axle to accommodate a resistance or wind trainer. Simplify your race day routine! Bring your best bike. Use the Robert Axle on your trainer, then leave it on to race, if you wish.
- Axles are precision CNC machined, AL7075
- Hard anodized for durability, Black
- Includes stainless steel axle ends
- To install or remove rear wheel, end caps have been drilled to allow the use of a 6mm hex key; no special tools required
- Designed, built and tested in the USA
Note: Length dimension refers to the length of the axle shaft. All axles are compatible with +/- 2mmÂ
MODEL ID:Â TRA221
THE ROBERT AXLE PROJECT THRU AXLE FINDER
Original: $77.68
-65%$77.68
$27.19Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Robert Axle is designed to replace your standard thru-axle to accommodate a resistance or wind trainer. Simplify your race day routine! Bring your best bike. Use the Robert Axle on your trainer, then leave it on to race, if you wish.
- Axles are precision CNC machined, AL7075
- Hard anodized for durability, Black
- Includes stainless steel axle ends
- To install or remove rear wheel, end caps have been drilled to allow the use of a 6mm hex key; no special tools required
- Designed, built and tested in the USA
Note: Length dimension refers to the length of the axle shaft. All axles are compatible with +/- 2mmÂ
MODEL ID:Â TRA221
THE ROBERT AXLE PROJECT THRU AXLE FINDER



















