I have PM'ed the op with a 'wish to buy' on the C Record chainset but others have been asking for pictures, so i'll let the OP decide whom he sells to.
Don't want to step on peeps toes but would like to show my interest on the open forum.
No, sorry it sounds confusing. It is just the tyres that are brittle. they havent been used much but its due to their age. Wheels and rims are very good. Thanks. Stuart