I've several pairs of Dura-Ace cranks and I would be 90% certain they are anodized from their wear marks. It is a quite matt finish.
Hilary Stone, Bristol
Ron Cooley wrote:
> I've recently picked up a pair of fairly scuffed-up dura ace AX cranks
> for my AX project bike. One of the guys at the LBS suggested that the
> finish on the cranks might be lacquer, or some other clearcoat, rather
> than anodizing. This might make stripping and polishing a reasonable
> option.