1. Tyres and wheels. Tyres. Motorcycle tyres. Specification for designations, dimensions and load ratings for metric series 100, 90, 80, 70 and 60 tyres Part 1.6.2, (29th September 1989) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗