Cities such as Edinburgh have been calling for more police resources to be directed toward balaclava-clad motorcycle gangs, as motorcycle theft increases.
What is thought to be a KTM RC 990 sports bike has been spotted testing, which would be an expansion of the range that currently has the RC 390 and RC 125.
The UK Motorcycle Action Group says it has "secured reassurances" from a meeting with the Greater Cambridge Partnership over plans to charge motorcycles.