BS AU 50 Pt.4 SubSec.3.1:1992 Tyres and wheels. Rim profiles and dimensions. Off-the-road rims. Specification for narrow and wide base off-the-road vehicle rims
BS AU 50 Pt.2 Sec.1b:1980Partially replaces BS AU 50 Pt.2 Sec.1b-80 which remains current pending changes in legislation.
BS AU 50 Pt.4 SubSec.3.1:1992 history
1992BS AU 50 Pt.4 SubSec.3.1:1992 Tyres and wheels. Rim profiles and dimensions. Off-the-road rims. Specification for narrow and wide base off-the-road vehicle rims