If you mean tire tread depth, the minimum is 1.6mm.
Minimum LEGAL tire tread depth is 2/32nds of an inch.
Tire spec in PA is 2/32 of an inch of minimum tread
Tire spec in PA is 2/32 of an inch of minimum tread
1.6 mm is the minimum
The minimum tyre tread depth in the UK is 1.6mm.
2/32"
2/32 inch
UK is 1mm
2/32"
1mm according to UK law
2/32 of an inch