This is a single issue case. The claimant suffered very serious head injuries when he fell from his Marin Rift Zone bike as he rode along a bridleway in the South Downs on 21st April 2002. It is common ground that the left handlebar of the bike fractured. The question which I have to decide is whether the fracture occurred because the handlebar was defective or whether the handlebar fractured as a result of the claimant falling from his bike.

http://www.bailii.org/ew/cases/EWHC/QB/2007/1667.html