Most recent
BS ISO 5751-2:2010
Motorcycle tyres and rims (metric series). Tyre dimensions and load-carrying capacities (British Standard)
ISO 5751-2:2010 specifies the tyre size designation, dimensions and load-carrying capacities of metric series motorcycle tyres. It is applicable to such tyres with a height-to-width ratio of 100 % and below.
British Standards Institution [bsi]