
RT40 Hors Catégorie
Off the charts performance
Meet a wheel that lives up to its name: A reference to climbs so long and grueling that they defy convention. Expect exceptional performance, weightlessness and responsiveness.
Equipped with next-gen threaded carbon spokes and NON+ hubs machined with surgical precision - it’s the ultimate benchmark for tough climbers, real purists and ultra dreamers.
The ultimate wheel, designed for the extreme.

The NON+ M4 Threaded Hub.
Made in Germany, this is one of the lightest hubs in the world. Its unique threaded design allows for a clean, perfectly tensioned assembly. Finished in an attractive matte gray, it embodies the quiet refinement of an exclusive product.
The ultimate wheel, designed for the extreme.

Made in Germany, this is one of the lightest hubs in the world. Its unique threaded design allows for a clean, perfectly tensioned assembly. Finished in an attractive matte gray, it embodies the quiet refinement of an exclusive product.
The NON+ M4 Threaded Hub.
Specifications
Specifications
Extremely light
Designed to take on mountain passes with a ground level weight of only 1,327 g.
Perfect stiffness
Our Vonoa SLR-320 double-threaded spokes are among the lightest and stiffest on the market. Ideal for optimal tension without brittleness.
Pure transmission
With no watts wasted, all effort is transmitted with tireless efficiency.
Minimalist look
Rugged, polished and precise. Nothing to add and nothing to take away.
High precision
The hubs are cut from a single piece of material - resulting in a perfectly elite wheel.
Extremely light
Designed to take on mountain passes with a ground level weight of only 1,327 g.
Perfect stiffness
Our Vonoa SLR-320 double-threaded spokes are among the lightest and stiffest on the market. Ideal for optimal tension without brittleness.
Pure transmission
With no watts wasted, all effort is transmitted with tireless efficiency.
Minimalist look
Rugged, polished and precise. Nothing to add and nothing to take away.
High precision
The hubs are cut from a single piece of material - resulting in a perfectly elite wheel.

The Baumier
Lifetime Guarantee
Don't love your gear? No sweat. We'll take it back. It's as simple as that. Why?
Because we believe in the quality of our products.
Because we value a fully transparent relationship with our riders.
Because we're on the road to an even more sustainable bike.

The Baumier
Lifetime Guarantee
Don't love your gear? No sweat. We'll take it back. It's as simple as that. Why?
Because we believe in the quality of our products.
Because we value a fully transparent relationship with our riders.
Because we're on the road to an even more sustainable bike.

The ultimate wheel, designed for the extreme.

The NON+ M4 Threaded Hub.
Made in Germany, this is one of the lightest hubs in the world. Its unique threaded design allows for a clean, perfectly tensioned assembly. Finished in an attractive matte gray, it embodies the quiet refinement of an exclusive product.
The ultimate wheel, designed for the extreme.

Made in Germany, this is one of the lightest hubs in the world. Its unique threaded design allows for a clean, perfectly tensioned assembly. Finished in an attractive matte gray, it embodies the quiet refinement of an exclusive product.
The NON+ M4 Threaded Hub.
Specifications
Specifications
Extremely light
Designed to take on mountain passes with a ground level weight of only 1,327 g.
Perfect stiffness
Our Vonoa SLR-320 double-threaded spokes are among the lightest and stiffest on the market. Ideal for optimal tension without brittleness.
Pure transmission
With no watts wasted, all effort is transmitted with tireless efficiency.
Minimalist look
Rugged, polished and precise. Nothing to add and nothing to take away.
High precision
The hubs are cut from a single piece of material - resulting in a perfectly elite wheel.
Extremely light
Designed to take on mountain passes with a ground level weight of only 1,327 g.
Perfect stiffness
Our Vonoa SLR-320 double-threaded spokes are among the lightest and stiffest on the market. Ideal for optimal tension without brittleness.
Pure transmission
With no watts wasted, all effort is transmitted with tireless efficiency.
Minimalist look
Rugged, polished and precise. Nothing to add and nothing to take away.
High precision
The hubs are cut from a single piece of material - resulting in a perfectly elite wheel.

The Baumier
Lifetime Guarantee
Don't love your gear? No sweat. We'll take it back. It's as simple as that. Why?
Because we believe in the quality of our products.
Because we value a fully transparent relationship with our riders.
Because we're on the road to an even more sustainable bike.

The Baumier
Lifetime Guarantee
Don't love your gear? No sweat. We'll take it back. It's as simple as that. Why?
Because we believe in the quality of our products.
Because we value a fully transparent relationship with our riders.
Because we're on the road to an even more sustainable bike.

RT40 Hors Catégorie
Off the charts performance
Meet a wheel that lives up to its name: A reference to climbs so long and grueling that they defy convention. Expect exceptional performance, weightlessness and responsiveness.
Equipped with next-gen threaded carbon spokes and NON+ hubs machined with surgical precision - it’s the ultimate benchmark for tough climbers, real purists and ultra dreamers.