Headset keeps coming loose

[Ozark Bicycle]

On Apr 17, 4:51 pm, Vee <[email protected]> wrote:
> On Apr 16, 1:38 pm, [email protected] (Donald Gillies) wrote:
>
>
>
>
>
> > There are actually 2 types of coming loose that can occur :
>
> > (a) Front end jiggles when applying brake, but locknut is still tight.
> > In this case, your headset cups or lower cone were probably not fully
> > pressed in and have now 'settled'. Try loosening the locknuts and
> > retightening them to spec, and then check again in 100 mi.
>
> > (b) headset locknut is loose. You need to carefully back off the
> > locknut and upper cup against one another to get them firmly locked.
> > Then, you must recheck the tightness using the brake to make sure they
> > are correct. This requires the same degree of cleverness that
> > manufaturers claim had been obviated by the invention of the cartridge
> > bottom bracket.
>
> > Since a mechanic still needs to know this skill to install a
> > _headset_, i frankly don't understand where the labor is saved in
> > using a cartridge bottom bracket.
>
> Everything about cartridge BBs is easier. Fewer tools required, no
> offset spindle nonsense, less need for cleanliness, no way to
> improperly install anything, no need for adjustment... what's not to
> love?

It's all true.....iff you are assembling bicycles on a production
line.

 

[[email protected]]

screwing a MO shimano cartridge BB into the '87 frame is an
outstanding mechanical experience before during after and next week.
BUTBUTBUT I assume marking the installation date on the logbook,
planning to replace the cartridge BB in 2-3 years, is an equally
outstanding experience.