If you can see a hop when spinning the wheel you should be able to locate
that spot when it's still as well, in some way, and take a closer look.
Maybe the inner tube is creased/folded? Slow the rotation gradually, or
mark the tire with a piece of tape, moving it until it lines up with the
You didn’t say what kind of rims/tires you’re using, but I’ve found Jan Heine’s
advice about rims without adequate interior “support” to be helpful. I have
Grand Bois Hetres on Velocity rims (Dyad and Synergy), and on both it helped to
put to layers of rim tape inside. The tires mount
Thanks everyone for the suggestions! I think Eric nailed it, I read the Jan
Heine article, im gonna add some extra rim tape and see if that helps. Yahoo!
Sent from my iPhone
On Oct 21, 2014, at 1:15 PM, Eric Norris campyonly...@me.com wrote:
You didn’t say what kind of rims/tires
Youre right, Rim is Velocity Synergy, tire is Panaracer made SOMA Cazadero
700x42
Sent from my iPhone
On Oct 21, 2014, at 1:15 PM, Eric Norris campyonly...@me.com wrote:
You didn’t say what kind of rims/tires you’re using, but I’ve found Jan
Heine’s advice about rims without adequate
I used a slightly wider tape for the second (top) layer. The first layer fits
down into the slot above the spokes, the second does a better job of filling in
the gap between the top of the rim and the bottom.
--Eric Norris
campyonly...@me.com
www.campyonly.com
campyonlyguy.blogspot.com
On Oct
I do similar to Eric. My secret weapon is Gaffer Tape. It's tough canvas
like rim tape. It's removable, and you can rip it lengthwise to whatever
width you want, similar to duct tape. A good roll of gaffer tape at your
hardware store might be $25, though. It's probably enough for 30 rims.
A-Ha! The extra layer of rim/ handlebar tape was the trick!Thank
you Eric for suggesting that and directing me to Jans article, totally
makes sense, and thanks to everyone else for their ideas, no more
thump-thump!-Mike
On Tue, Oct 21, 2014 at 5:15 PM, Bill Lindsay
I had a regular thump thump in a 650 B supple tire. But it went away when
the supple sidewall had an explosive blowout. I have since used hypetex
(kevlar) reinforced sidewalls.
You may want to check the integrity of your sidewalls for any signs of
delamination.
--
You received this message
Wow, I've been waiting to post this topic, and here it is!
A couple of weeks ago I heard a slight thump and felt the vibration on a hi
speed descent (35+ mph) on what looked like smooth pavement. I checked the
rim it looked reasonably true and round but thought the brake might have
been
The thump is the hop and the hop is the thump. If it's your tire that has
a hop in it, it will hop on any rim. Another way to test it is mark the
hop in some way. Mark the sidewall of the tire at the hop and put a piece
of tape on the rim at the hop. Then remove the tire and re install it
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