https://www.gov.uk/driving-licence-categories
"Category A You can drive:
motorbikes with a power output more than 35kW or a power to weight ratio more than 0.2kW/kg motor tricycles with a power output more than 15kW You can also drive motorbikes in categories A1 and A2."
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/771244/how-to-get-a-motorcycle-licence.pdf
This is better.
@Dramatic_Hammer started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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https://www.gov.uk/driving-licence-categories
"Category A
You can drive:
motorbikes with a power output more than 35kW or a power to weight ratio more than 0.2kW/kg
motor tricycles with a power output more than 15kW
You can also drive motorbikes in categories A1 and A2."