Sasha
That oxidation is because the anodizing had become pitted. You can try polishing with Simichrome or similar, but in my experience you actually need to strip off the anodizing, sand out the pits and oxidation and then either buff and polish or get them re-anodized. IMHO these cranks aren't worth that effort as they are relatively available in excellent condition.
David -- David Bilenkey Ottawa, Ontario, Canada dbilenkey@sympatico.ca
> -----Original Message-----
> From: classicrendezvous-bounces@bikelist.org
> [mailto:classicrendezvous-bounces@bikelist.org] On Behalf Of
> sasha eysymontt
> Sent: Thursday, February 23, 2006 10:26 AM
> To: classicrendezvous
> Subject: [CR]removing oxidation from crankarms
>
>
> CR folks --
>
> I've got a set of Superbe Pro crankarms that have some rather
> nasty black/grey oxidation spots on them. Is there any
> approved way to remove th e spots without totally ruining the
> finish? Is Simichrome the answer?
>
> Arms in question are pictured here:
> http://boxwood.subtle.org/
>
> thanks.
>
> --
> ---
> ,+'^'+ sasha eysymontt
> sashae at gmail dot com - http://subtle.org/
> `+,.,+` new york city.