It says Steel and Stainless Steel kits. Cranks are normally aluminium. Would the kit still work?If you are really keen on polishing the cranks have a look here....
They do kits that fit either a drill or a bench grinder.Steel & Stainless Steel Metal Polishing Kits Shop Online Now
Find top-quality Steel & Stainless Steel Metal Polishing Kits for all your project needs. Shop now for best deals and fast shipping!metalpolishingsupplies.co.uk
Give a great shine.
(Or talk nicely to me - I have both kits!!!)
Edit. Sefton??? I live in Sefton. Are we neighbours?
Reckon you can't beat Solvol Autosol for ally polishing. If it's a little beat up, combine with fine wire wool to start.It says Steel and Stainless Steel kits. Cranks are normally aluminium. Would the kit still work?