Chronos are please to announce that we have now added some Aluminium Drive Pulleys to our ever expanding product range. We have a Multi step one – which covers 2,3,4 & 5″ as well as some 2″ single groove pulleys with different pilot holes to choose from
Details at
https://chronos.ltd.uk/acatalog/A_Section_Cast_Aluminium_Pulleys.html