BigBen wrote:
On Tue, 25 Jul 2006 08:50:30 -0500, Tim McNamara
wrote:

In article m,
"Phil Lee, Squid" wrote:

http://weightweenies.starbike.com/ph...ic.php?t=19036

Aluminum BB axles are not a good material selection...

No. Especially as the left side is more prone to breaking (subject
to both torque and bending), and it will break under highest load
which is

Forgive the ignorance: does that apply to hollow axle, tapered square,
XT b.brackets?

If so, which are the ones not made of aluminum?

No major manufacturer makes or sells aluminum-axle bottom brackets. Your XT
bottom bracket has a steel axle.

If you look at the pictures, notice that the break does not traverse the
90-degree inner corner for most of the circumference, where one might expect
it to break. Maybe the axle was notched during installation.
--
Phil Lee, Squid