RRT XTREMIST MONO
Key Specification
Customize Your Wheel
To ensure correct fitment, we recommend providing:
- Vehicle make and model
- Year
- Wheel Offset
- Brake upgrade details (if applicable)
To ensure correct fitment, we recommend providing:
The RRT Xtremist Mono builds on the legacy of the Xtremist and the Xtremist V2.
As Isaac Newton once said:
“If I have seen further, it is by standing on the shoulders of giants.”
The Xtremist Mono carries forward the legacy of the highly successful Xtremist V2, evolving it into something more efficient, smoother, and more refined. It stands as a deliberate counterpart to the hardcore Ultra, offering extreme performance with a different balance of character.
The Xtremist Mono is heavy on engineering features.
It is designed for builds that demand high performance without crossing into uncompromising minimalism. Where the Ultra is relentless, the Xtremist Mono introduces refinement while preserving structural aggression.
This wheel exists for enthusiasts who want extreme capability paired with visual and mechanical sophistication.

The Xtremist Mono integrates a dense set of performance-driven engineering solutions:
Thin wall profile optimisation
Rear pocketing for mass reduction
Side hole through-spoke machining
Hollowed-out safety hump ledge
Large polar moment of cross-section spoke design
Webbed spoke-to-barrel connection
Each feature contributes directly to stiffness control, weight efficiency, and load distribution. Nothing is decorative. Every cut, pocket, and interface serves a structural purpose.
The Xtremist Mono is a tour de force of engineering excellence.
Actual colors may vary due to current lightings.
This is a wheel that not only performs at the highest level, but also embraces the ethos of beautiful form and intelligent complexity.
The Xtremist Mono attracts attention without relying on exaggerated styling or engineering compromises. Its visual presence is a direct result of how it is engineered, not an overlay applied after the fact.
| kg | kg | kg | kg | kg | |||||||||
| 17x7 | 5.8 | 18x8 | 6.6 | 19x8 | 7 | 20x9 | 7.5 | 21x10 | 9.35 | ||||
| 17x8 | 6 | 18x8.5 | 6.75 | 19x8.5 | 7.2 | 20x9.5 | 7.8 | 21x10.5 | 9.55 | ||||
| 17x9 | 6.2 | 18x9 | 6.95 | 19x9 | 7.35 | 20x10 | 8.1 | 21x11 | 9.8 | ||||
| 18x9.5 | 7.05 | 19x9.5 | 7.5 | 20x10.5 | 8.35 | 21x11.5 | 10 | ||||||
| 18x10 | 7.25 | 19x10 | 7.7 | 20x11 | 8.55 | ||||||||
| 18x10.5 | 7.4 | 19x10.5 | 7.85 | 20x11.5 | 8.75 | ||||||||
| 18x11 | 7.6 | 19x11 | 8.1 | 20x12 | 9.15 | ||||||||
| 18x11.5 | 7.8 | 19x11.5 | 8.4 | ||||||||||
| 19x12 | 8.7 |
This is a wheel that not only performs at the highest level, but also embraces the ethos of beautiful form and intelligent complexity.
The Xtremist Mono attracts attention without relying on exaggerated styling or engineering compromises. Its visual presence is a direct result of how it is engineered, not an overlay applied after the fact.
If you seek a special wheel that can match and complement a high-extreme build, the Xtremist Mono is the answer.
It is engineered for drivers who demand performance credibility, structural integrity, and design intent in equal measure.
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