10/23/2026
The wait is over. The 2027 Royal Alloy GP300S Sidecar has arrived.
Designed specifically for the 2027 Royal Alloy GP300S, the factory-designed sidecar adds classic style, passenger capacity, and a whole new way to experience the Grand Prix 300S. Built and balanced specifically for the GP300S, it requires no drilling or custom fabrication.
Coilover Shock
A 12” sidecar wheel with coilover shock suspension delivers a smoother, more comfortable ride, no matter where the road takes you.
Sidecar Lighting
Integrated front and rear lights improve visibility and help keep the sidecar noticeable from every angle, day or night.
Trunk Storage
A lockable storage trunk keeps your essentials safe and close at hand, with a clean, integrated look that complements the sidecar’s classic design.
Passenger Amenities
Convenient USB-A charging and a comfortable passenger handle keep riders connected and provide a secure grip throughout the journey.
The 2027 Royal Alloy GP300S Sidecar is here. Find your local Royal Alloy dealer and see it for yourself.