Bike Forums - View Single Post

11-08-16 | 04:56 AM

#27

verktyg

verktyg

Joined: Jul 2006

Posts: 4,034

Likes: 1,271

From: SF Bay Area

Bikes: Current favorites: 1988 Peugeot Birraritz, 1984 Gitane Super Corsa, 1980s DeRosa, 1981 Bianchi Campione Del Mondo, 1992 Paramount OS, 1988 Colnago Technos, 1985 RalieghUSA SBDU Team Pro

Quote:

Originally Posted by Mogaz74

Thanks juvela! I am the aforementioned Dad who bought the bike as a project to work on with my son. I read on Sheldon Brown's site that the French made bars and stems have a reputation for breaking so I will be changing those out soon. I have passed the info on to my son to lower that stem into the head tube more. Thanks again!

Thanks @juvela I forgot to mention that point....

Mogaz74, Stems need to be inserted at least 75mm-80mm (~3") into the fork steerer for safety sake. When that far extended the stem or the threaded part of fork steerer can break off.

verktyg

Chas.

Attached Images

PivoStemCrack.jpg (97.3 KB, 113 views)

PivoStemCrack2.jpg (98.0 KB, 109 views)

BrokenCastStem1.jpg (93.7 KB, 110 views)

BrokenCastStem2.jpg (110.5 KB, 107 views)

SplitSteererCroppedArrow.jpg (36.3 KB, 111 views)

ForkThreadsWithCrack.jpg (95.7 KB, 111 views)

__________________
Don't believe everything you think! History is written by those who weren't there....

Chas. ;-)

Last edited by verktyg; 11-08-16 at 05:02 AM.

Reply

1