I've blown front tires on steep descents, due to over-heated rims (scary
crashes). But never a rim itself. I agree with Grant, it's most likely your
rim was compromised by a stress riser in the form of some grit on your
brake pad. That, or the seam on the rim was defective in the first place.
- An
On 12/4/11, Tim McNamara wrote:
>
> I've seen this before. Usually it is from braking wear thinning the
> sidewall over time, more prevalent for people who ride in hilly or
> mountainous terrain and/or in rainy weather a lot. The road grit and slurry
> that gets on the rims forms a nice grinding
On Sun, 2011-12-04 at 17:05 -0800, Ray Shine wrote:
> I did touch the rim, and it was hot. However, I've touched other rims
> on the same descent and they seemed hotter. I never rolled faster than
> 10 mph when I started the descent. I scared. So, I was on the brakes
> for about 3/4 mile on an 18%
Sheesh, this is incredibly bad karma.
Me, I'd stay off of that road.
-JimD
On Dec 4, 2011, at 4:35 PM, Ray wrote:
> Took a nice ride across the bridge and up to Hawk Hill, planning to
> get home in time to catch the 49er game at the end of 1st quarter. I
> didn't make it. My rear rim blew out as
On Sun, Dec 4, 2011 at 16:35, Ray wrote:
> Could this failure resulted from the long braking over-heating the rim
> and the pressure blowing it out? Seems strange, but, can that happen?
I'm wondering if the heat caused the tire to blow out, and it was the
force of the tire blowout that then destr
On Dec 4, 2011, at 6:35 PM, Ray wrote:
> Could this failure resulted from the long braking over-heating the rim
> and the pressure blowing it out? Seems strange, but, can that happen?
I've seen this before. Usually it is from braking wear thinning the sidewall
over time, more prevalent for peo
__
From: cyclotourist
To: rbw-owners-bunch@googlegroups.com
Sent: Sun, December 4, 2011 5:29:51 PM
Subject: Re: [RBW] Near-Catastrophic Rim Failure
Were the rims particularly narrow? 32mm isn't all that wide, but "fat" tires
on
narrow rims can lead to catastrophic failure.
ers-bunch@googlegroups.com
> *Sent:* Sun, December 4, 2011 4:43:48 PM
> *Subject:* Re: [RBW] Near-Catastrophic Rim Failure
>
> On Sun, 2011-12-04 at 16:35 -0800, Ray wrote:
> > Took a nice ride across the bridge and up to Hawk Hill, planning to
> > get home in time to catch the
he sidewalls of both wheels like Eric suggested,
and see nothing out of the ordinary.
From: Steve Palincsar
To: rbw-owners-bunch@googlegroups.com
Sent: Sun, December 4, 2011 4:43:48 PM
Subject: Re: [RBW] Near-Catastrophic Rim Failure
On Sun, 2011-12-04 at 1
On Sun, 2011-12-04 at 16:35 -0800, Ray wrote:
> Took a nice ride across the bridge and up to Hawk Hill, planning to
> get home in time to catch the 49er game at the end of 1st quarter. I
> didn't make it. My rear rim blew out as I took a slow (translated:
> continuous braking down 18% descent to h
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