Just checked and I’m afraid the steel I was thinking about is only 100mm diameter so presumably a no go sorry. To be honest the link 1 shot willie has posted above looks pretty hard to beat and I was under the impression that rubber backed wheels run more smoothly
Any good Gazo?
https://www.ebay.co.uk/itm/150-x-50...m=122806716724&_trksid=p2047675.c100005.m1851
Not to bad a price tag either??