Complex sentence: The use of monocoque frames for bikes is not new, but their development was improved through the work of Norfolk based designer Mike Burrows, who advanced both the design and build through utilising carbon fibre mouldings.
Split into simpler sentences: The use of monocoque frames for bikes is not new. But their development was improved through the work of Norfolk based designer Mike Burrows who advanced both the design and build through utilizing carbon fibre mouldings.