Powering both wheels of a motorcycle, rather than just the rear, presents a unique engineering challenge with potentially significant advantages. This typically involves a mechanical or hydraulic system to transfer engine power to the front wheel, often incorporating a differential to allow for variations in wheel speed during turns. Christini Technologies, for example, produces all-wheel-drive motorcycles using a patented system of chains and shafts.
Enhanced traction, particularly in challenging off-road conditions like mud, sand, or snow, represents a primary benefit of distributing power to both wheels. This improved grip can lead to increased stability, climb capability, and overall control, making these systems appealing to adventure riders and racers. While the concept has existed for decades, its implementation remains relatively niche due to added complexity, weight, and cost compared to traditional rear-wheel-drive systems. However, ongoing advancements in materials and design may broaden its appeal in the future.