




ESK8 Gear Drive CNC Hub Adapter Kit – Black Precision Adapter
These CNC-machined adapters give your ESK8 gear drive setup a precise, torque-strong connection on CNC hubs. The lightweight cutout design sheds weight without sacrificing strength. Central geometry locks everything in alignment for clean power delivery.
Red Wear Part Explained The red insert is the wearable interface that sits inside the gear drive. The black CNC adapter mounts on top of it to clamp everything solid. When the red part wears, just swap it.
Two Clean Variants
- Full Drive Kit — Black CNC adapter + red wear insert (ready to bolt on)
- CNC Adapter Only — Black precision adapter (use with your existing red insert or as a spare)
Important Fitment Works only with CNC-machined hubs. Will not fit plastic hubs.
Pairs well with

ESK8 Gear Drive CNC Hub Adapter Kit
Built to ride.
Engineered for power, built to last.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
Delivery within Switzerland usually takes about 2 business days. Shipping costs and the available shipping methods are shown at checkout. Questions about your delivery? Email us at swiss@onsra.com.
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Customer Support
Questions about a product or your order? Email us at swiss@onsra.com or call us at +41 78 223 99 52 and we'll be happy to help. For warranty claims, please follow the steps on our Warranty page.
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FAQ’s
Returns: new and unused products can be returned within 7 days of delivery. Return shipping costs are your responsibility. You can find all details on our Return Policy and Warranty pages.
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Contact Us
Email: swiss@onsra.com
Phone: +41 78 223 99 52
We'll get back to you as soon as possible.
