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BMW's slant-block four lets the aluminum frame's extruded main spars run above the head rather than arcing around it, thus optimizing their shape. Spars join at the front in a die-casting that carries the Duolever. Another casting carries the Paralever swingarm. The robot-welded structure weighs 25.2 pounds.
First Ride: 2005 BMW K1200S Motorcycle

BMW's slant-block four lets the aluminum frame's extruded main spars run above the head rather than arcing around it, thus optimizing their shape. Spars join at the front in a die-casting that carries the Duolever. Another casting carries the Paralever swingarm. The robot-welded structure weighs 25.2 pounds.  View Related Article
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