Bike Forums - What am I looking at ?

Bike Forums (https://www.bikeforums.net/forum.php)

- Bicycle Mechanics (https://www.bikeforums.net/bicycle-mechanics/)

- - What am I looking at ? (https://www.bikeforums.net/bicycle-mechanics/58610-what-am-i-looking.html)

poululla

07-21-04 01:48 AM

1 Attachment(s)

This picture is of the underside of my father's De Rosa Planet downtube. What is it, and should he be worried? The bike has never been in a crash, if that helps. Comments are as always very welcome :D

NZLcyclist

07-21-04 01:59 AM

uhhhh is it steel? that looks like rust under the paint......

poululla

07-21-04 02:16 AM

Quote:

Originally Posted by NZLcyclist

uhhhh is it steel? that looks like rust under the paint......

A De Rosa Planet is an aluminium bike if you cared to check. If this is indeed a form of oxidation, is the integrity of the frame affected at all ?- only serious answers please. Watch the Boks beat the pants of the All Blacks this weekend :p

pucci

07-21-04 03:00 AM

Quote:

Originally Posted by poululla

You are looking at aluminum oxide powder under the paint. Lots of al frames get this around the braze-ons and other spots where moisture can get under the paint. There is no structual problem, just a bad skin condition.

poululla

07-21-04 03:06 AM

Thanks for your reply Pucci, we thought along the same lines, but now we are sure. You were a great help.

Big H

07-22-04 05:33 AM

RuA Bok fan. Not only am I a Bok fan and supporter I am a Blue Bull supporter as well!!!!

Big H

All times are GMT -6. The time now is 09:11 AM.