It started as a joke when Rose, who had wanted to do the Lake Taupō Cycle Challenge, said: "We should get a tandem bike so you could do half the work."
By chance, Jackson knew someone with a tandem.
It was husband and wife Rose (left) and Jackson Green's first time at Crankworx. Photo / Cira Olivier
"It was awesome and we had heaps of fun," she said, "but we were mountain bikers at heart, and so we thought 'I wonder if we can do this off-road'."