V- belt pulleys fit V-belt so that transmission occurs by friction between the inclined sides of the belt and the pulley itself.
Adjustable pulleys are a particular family of V- belt pulleys. The adjustable width of the groove that fits the V – belt is the distinctive feature of this item. Material used is cast iron EN-GJL-250 UNI EN 1561.
Here following all type of available pulleys are showed. These are for taperbore.

External diameter Section N° of grooves Bush
84 SPZ 1 1108
95 SPZ 1 1108
100 SPZ 1 1108
108 SPZ 1 1210
108 SPA 1 1210
120 SPA 1 1210
120 SPA 2 1215
129 SPA 1 1210
129 SPA 2 1215
139 SPA 1 1610
139 SPA 2 1615
146 SPA 1 1610
146 SPA 2 1615
156 SPA 1 1610
156 SPA 2 1615
184 SPA 1 1610
184 SPA 2 1615
177 SPA 1 2012
177 SPA 2 2012
107 SPA 1 2012
187 SPA 2 2012
170 SPB 1 2012
170 SPB 2 2012
187 SPB 1 2012
187 SPB 2 2012