If you're passionate about mechanics and riding, the term "tubeless conversion" is probably familiar to you. For many, it's simply a matter of convenience. But for Supermoto enthusiasts—those adrenaline purists who blur the line between road and track—switching to genuine Supermoto Tubeless rims isn't a luxury: it's a radical performance transformation.
So why did abandoning the inner tube become imperative for Supermoto?
The supermoto dilemma: robustness vs. performance
Originally, a Supermoto machine is often derived from a motocross bike. It therefore inherits spoked wheels, renowned for their flexibility and ability to absorb hard landings from jumps. The downside? They require the use of inner tubes. On asphalt or on a track, this is a major drawback. Tubeless conversion corrects this flaw by transforming these wheels into a modern, airtight, and ultra-high-performance system.
Here's why switching to tubeless tires is the smartest investment for a rider:
1. The ultimate puncture protection
Imagine this: you're leaning into your favorite corner, attacking it, and suddenly you feel that characteristic wobble of a rapid deflation. With an inner tube, even a small hole can cause an instant and catastrophic loss of pressure.
The tubeless Supermoto wheel eliminates this risk. The tire and rim form a perfectly sealed unit. In the event of a puncture (nail, glass shard), the sealant immediately seals the leak. Pressure loss is so slow that you maintain complete control of your machine to stop safely. For those pushing their limits, this peace of mind is invaluable.
2. Unsprung mass gain: surgical agility
This is where the magic happens. Unsprung mass includes everything under your suspension (wheels, tires, brakes). Reducing it is the holy grail of motorcycle tuning.
By removing the inner tube, tubeless conversion directly reduces rotating mass. Lighter wheels mean:
- More pronounced accelerations.
- More incisive braking.
- And above all, effortless cornering. In Supermoto, where you have to flick the bike from one corner to the next with lightning speed, this weight saving translates into a bike that is more agile, more responsive and, ultimately, faster.
3. Ride with confidence at low pressure
Supermoto is all about the constant quest for grip. On the track, riders often lower tire pressure to increase the contact patch. With an inner tube, too low a pressure exposes the rider to the risk of a "pinch" : during hard cornering, the tube is crushed between the tire and the rim, causing an immediate puncture.
The tubeless system completely eliminates this danger. You can adjust your tire pressures to the gram for optimal grip, without ever worrying about pinch flats. Your riding becomes more consistent and predictable every time you exit a corner.
How to successfully set up your tubeless system?
You have two options:
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The Premium option: Dedicated tubeless rims. This is the most reliable solution. Investing in rims designed from the ground up to be tubeless guarantees a perfect seal, an exemplary finish, and complete peace of mind.
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The DIY option: Seal your existing rims. For tighter budgets, it's possible to convert your spoked rims. This requires meticulous precision to seal each spoke nipple with a specific rim tape or a kit like Outex . While economical, this method demands rigorous application to match the reliability of a factory tubeless rim.
The Verdict
For a Supermoto enthusiast, tubeless conversion is much more than a simple practical improvement. It's a fundamental upgrade in safety and performance, optimizing traction and agility. It's the definitive answer to the historical weakness of spoked wheels.
Whether you opt for high-end rims or a meticulous conversion, removing the inner tube means regaining control. It's the upgrade that allows you to focus exclusively on your trajectory, and not on the fear of a mechanical failure.