Robert Axle Project Trainer Thru Axle
Best thru-axle adapter for cyclists training indoors on wheel-on trainers.
This is the cleanest way to bridge the gap between your outdoor rig and an indoor trainer. By replacing your stock axle with this precision-machined piece, you gain a rock-solid connection that swaps out in seconds, finally making indoor sessions feel like a natural extension of your ride.
$54.00
More Trainer Thru-Axle options
Who it's for
- Cyclists using diverse indoor trainer setups
- Performance riders demanding a stable, secure connection
- Home mechanics seeking a quick, hassle-free setup
Who should skip it
- Budget-conscious riders looking for basic, low-cost solutions
- Outdoor cyclists needing a versatile, multi-purpose axle
- Shoppers intimidated by technical bike specifications and measurements
Performance breakdown
Build integrity
Precision CNC-machined 7075 aluminum ensures exceptional durability under heavy indoor loads.
Transition efficiency
Swapping between indoor and outdoor setups is quick and remarkably intuitive.
Compatibility range
Multiple thread pitch and length options cover nearly every modern thru-axle frame.
Serviceability
Standard 5mm hex interface makes adjustments simple with common shop tools.
Fit precision
Engineered tolerances eliminate unwanted play for a secure, stable trainer connection.
Finish longevity
Hard-anodized coating resists wear and corrosion through seasons of intense training.
Key Specs
Material
7075 Aluminum
Axle Diameter
12mm
Thread Pitch
1.0mm, 1.5mm, 1.75mm
Length
154mm to 198mm options
Compatibility
On-wheel trainers (1up, Blackburn, Cyclops, Kinetic, Tacx, Wahoo)
Installation Tool
5mm hex wrench
Country of Origin
USA
Know before you buy
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Ask Metto anything about the Robert Axle Project Trainer Thru Axle before you decide.
