BX31

The 1250H100-OPTIBELT belt of the single toothed belt family, by brand OPTIBELT, and in H profile. It has a pas 12,7mm section with a 3175 mm internal length, a mm external length, and a mm primitive length.

The 850H150-OPTIBELT belt of the single toothed belt family, by brand OPTIBELT, and in H profile. It has a pas 12,7mm section with a 2159 mm internal length, a mm external length, and a mm primitive length.