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Setting up a Genius Smart Trainer
This FAQ will cover the installation process for setting up your Tacx Genius Smart trainer, including compatibility questions regarding axles and bicycles.
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Out of Box and Installation
The following video will walk you through the unboxing process, trainer setup, and bike installation:
Axle Compatibility
Garmin Tacx smart trainers only support 10/12 mm axles. The Genius Smart will come with a standard universal quick release axle skewer. This skewer will work with most bikes that feature a quick release skewer.
Universal Axle Skewer
Some bikes (especially mountain bikes) use what is called a thru-axle. Thru-axles thread directly into the bike's frame in order to hold the rear wheel in place. In the event that you have a bike that features a thru-axle, you will need to purchase one separately.
Tacx Thru-Axles (sold separately)
What Size Thru-Axles Are Available for Purchase?
You can purchase thru-axle adapters in the following sizes. We've included general information about the type of hubs
- M10x1 metric fine thread (T1706)
- Suitable for hubs with axle skewer attachment 135×10 mm (various Swiss and Shimano types)
- Suitable for hubs with axle skewer attachment 135×10 mm (various Swiss and Shimano types)
- M12x1 metric fine thread (T1707)
- Suitable for hubs with axle skewer attachment 142×12 mm (various DT Swiss and Shimano types)
- Suitable for hubs with axle skewer attachment 142×12 mm (various DT Swiss and Shimano types)
- M12x1.75 standard threaded cartridge (T1708)
- Suitable for hubs with a Maxle axle skewer attachment 135×12, 142×12, 150×12 mm and Trek ABP 142×12
- Suitable for hubs with a Maxle axle skewer attachment 135×12, 142×12, 150×12 mm and Trek ABP 142×12
- X-12 (>142 mm) (T1709)
- Suitable for hubs with axle skewer 142×12 mm
- Suitable for hubs with axle skewer 142×12 mm
- M12x1.5 medium thread (T1710)
- Suitable for hubs with axle skewer attachment 142×12 including Shimano SM-AX65, SM-AX75, SM-AX76 and SM-AX78
- Suitable for hubs with axle skewer attachment 142×12 including Shimano SM-AX65, SM-AX75, SM-AX76 and SM-AX78
- M12x1 metric fine thread (T1711)
- Suitable for hubs with axle skewer attachment 142×12 mm: DT Swiss RWS axle skewer (conical and flat), Syntace X-12 system (Specialized) and various Shimano types
For detailed dimension information on the above thru-axles see: Dimensions of Tacx Trainer Axles
How Do I Know Which Axle I Have?
Generally the size will be stamped on the axle itself. If you are unsure of the size, consult the bike manufacturer or the place the bike was purchased from.