B107 DUN Dunlop V-Belt Brand_Dunlop where the rst number denotes

where the rst number denotes the width in mm

The most salient features of the Optibelt ZR timing belts are the high quality neoprene compounds

Width: 12mm

where the letter designates its cross-section and the number corresponds to a nominal internal length in inches and to DIN standard e

This belt fits various STIGA Lawnmowers including:

B107 DUN Dunlop V-Belt Brand_Dunlop where the rst number denotesTraditional V Belts are manufactured with cross sections Z, A, B, C & D sections with a range of over 500 lengths currently available. V Belts for industrial use are designated both to RMA standard e. g. A52, where the letter designates its cross section and the number corresponds to a nominal internal length in inches and to DIN standard e. g. 13x1320Li, where the rst number denotes the width in mm, and the second number is the internal length in mm.