MEFO MOM 18-4 Foam – Rally Special

In the unforgiving world of rally raid, every component matters. The MEFO MOM 18-4 – Rally Special perfectly embodies the balance between durability, performance, and safety that riders demand when covering hundreds of kilometers in the harshest conditions on earth. Developed by MEFO Sport, a German manufacturer renowned for precision and quality, this high-performance tire mousse is purpose-built for rally raid motorcycles like the KOVE 450 RALLY.

Engineered for extreme conditions

The MEFO MOM 18-4 stands out with its increased width and reinforced density, designed to handle high temperatures, sustained high speeds, and extreme distances. Unlike standard enduro or motocross mousses, the Rally Special version has been specifically engineered for the brutal environments of rally raid events such as the Rallye du Maroc or the Dakar Rally. It delivers unmatched stability, consistent traction, and controlled wear, even on the most abrasive terrain.

Perfect fit for every tire

MEFO is the only manufacturer in the world that adjusts the diameter of its mousse sections to match the exact internal volume of each tire model. Since every tire brand (Metzeler, Michelin, Mitas, Dunlop, etc.) has a different inner volume, this precision engineering ensures an ideal fit, eliminating internal movement, heat buildup, and deformation. The result? A precise, stable riding feel and consistent grip from start to finish.

Proven performance over long stages

Tested and validated on the longest and toughest rally stages, the MEFO MOM 18-4 Rally Special can last up to 800 km without performance loss. It’s the preferred choice of many rally teams and professional riders using machines like the KOVE 450 RALLY, where reliability and endurance are top priorities. When paired with a Metzeler MC360 Mid-Hard or Michelin Desert tire, this mousse delivers remarkable stability and control, even under extreme heat and speed.

German precision and craftsmanship

Proudly made in Germany, the MEFO MOM 18-4 benefits from precision manufacturing and closed-cell foam technology, providing uniform density and superior mechanical resistance. Each mousse is tested under real-world rally conditions to ensure maximum lifespan and consistent comfort, with no bounce or spongy feel. MEFO also offers a full range of mousse structures adapted to each discipline — Rally, Enduro, Motocross, Adventure — to guarantee performance tailored to every rider’s needs.

Built for riders who demand more

For rally raid riders, the MEFO MOM 18-4 is far more than a technical component — it’s a reliability guarantee. By eliminating the risk of punctures and maintaining consistent tire behavior over long stages, it allows riders to focus entirely on performance and navigation. Whether on rocky trails, sandy dunes, or fast gravel tracks, the mousse maintains its integrity and performance, kilometer after kilometer.

Compatibility and setup

The MEFO MOM 18-4 Rally Special is compatible with most 140/80-18 rally tires, including Metzeler MC360, Michelin Desert Race, Mitas E12, and Pirelli Scorpion Rally. It is ideal for mid to large displacement rally or enduro bikes such as the KOVE 450 RALLY, KTM 450 Rally Replica, Beta 430 RR, Husqvarna 450 Rally, and Honda CRF450 Rally. Installation can be done dry or with a small amount of mousse-specific lubricant to reduce heat buildup and extend lifespan.

Why choose MEFO?

• ✅ Perfect fit for every tire brand

• ✅ Exceptional durability — up to 800 km of rally performance

• ✅ 100% puncture-proof closed-cell structure

• ✅ Consistent stability at high speed

• ✅ Progressive, predictable grip on all terrain

• ✅ Made in Germany — precision and quality guaranteed