Manufactured in Almenno San Bartolomeo, Bergamo, 2004-2007
With extensive use of carbon fibre and light alloy, the 450 MX1 model appeared in motocross events and in the Supermoto World Championship.
From their website:
The passion for motocross has created a revolutionary concept bike where Carbon Fiber and Kevlar are used in a way never before seen even in MX1 Grand Prix!
Structural parts of the chassis (upper frame and filter case) and the swingarm are completely built of carbon fiber and kevlar. Only WRM 450 MX1 has these new parts and design!
Tank, Valves Cover Engine and a most of the accessories are made with hi-tech composite materials.
The engine was designed, tested and manufactured completely by WRM! It includes the best tecnology currently existing in MX world. The steering system is adjustable through an exsclusive system covered by WRM copyright. Screws and metal accessories are of Titanium and/or Ergal.
All the parts are the best in class and where possible we gave priority to the "Pure Made in Italy" manufacturers."
Sources: wrm-motorcycles.com ✝, it.wikipedia.org