Flaps

Flaps and it's Nomenclature

Typical Part-nomenclature and marking on Flaps :

Flap Code : Represents Nominal Wheel Rim Diameter and Rim width ( for Example 20 R 7.0 for Radial Application and 20 - 7.0 for Bias Application or 20N in general )
Tyre Size : Flap is meant for the application in those Tyre or equivalent Sizes ( for Example 9.00/10.00-20 for Bias Application or 9.00/10.00 R 20 for Radial Application )
Mould No. : For Manufacturers use to trace back the manufacturing operations
Month Code Marking : For Manufacturers use to trace back the manufacturing operations