Originally Posted by
Schwinnsta
I think you misunderstand. Look at the frame, it swings, every pedal stroke does compress the suspension, though the losses are worse from the front suspension that the rear. The bottom bracket is not rigid to the rear wheel.
No, on the all current Moulton with 20" wheels (Jubilee, Speed, XTB, SST, TSR; New Series but not AM with 17" wheels) the bottom bracket is part of the suspended rear triangle, pedal strokes do not compress the suspension.