Strange pinging noises from rear spokes...



P

Paul

Guest
I bought a new bike a few weeks back and whilst riding it
today I noticed a very unusual noise from the rear of the
bike. After some investigation, I could reproduce the noise
by pushing the bike along whilst leaning down hard on the
saddle. As the wheel rotated slowly it sounded like the
spokes were making a pinging noise, one after the other
- a bit like as if you flicked them with your fingernail. If
I took the downward pressure off the saddle the noise
disappeared.

I'm pretty sure this is a new phenomenon. I tapped each of
the spokes and the tensions seemed consistent. Is this a
normal part of a new bike 'bedding down' because I've not
experienced it before? Could the hot weather have had
anything to do with it? I'll ask my LBS about it
if/when I take the bike in for its free six week service,
but can anyone advise what the cause may be, and how I
could fix this myself in the meantime?

Thanks, Paul
 
D

D T W .../\\...

Guest
"Paul" <[email protected]> wrote in message
news:[email protected]...
> I bought a new bike a few weeks back and whilst riding it
> today I noticed a very unusual noise from the rear of the
> bike. After some investigation, I could reproduce the
> noise by pushing the bike along whilst leaning down hard
> on the saddle. As the wheel rotated slowly it sounded
> like the spokes were making a pinging noise, one after
> the other
> - a bit like as if you flicked them with your fingernail.
> If I took the downward pressure off the saddle the noise
> disappeared.
>
> I'm pretty sure this is a new phenomenon. I tapped each of
> the spokes and the tensions seemed consistent. Is this a
> normal part of a new bike 'bedding down' because I've not
> experienced it before? Could the hot weather have had
> anything to do with it? I'll ask my LBS about it
> if/when I take the bike in for its free six week service,
> but can anyone advise what the cause may be, and how I
> could fix this myself in the meantime?
>
> Thanks, Paul

http://www.sheldonbrown.com/wheelbuild.html#seating

--
DTW .../\.../\.../\...

I've spent most of my money on mountain biking and windsurfing.
The rest I've just wasted.
 
P

Paul

Guest
D T W .../\... wrote:

> "Paul" <[email protected]> wrote in message news:[email protected]
> text.dial.pipex.com...
>
>>I bought a new bike a few weeks back and whilst riding it
>>today I noticed a very unusual noise from the rear of the
>>bike. After some investigation, I could reproduce the
>>noise by pushing the bike along whilst leaning down hard
>>on the saddle. As the wheel rotated slowly it sounded
>>like the spokes were making a pinging noise, one after
>>the other
>>- a bit like as if you flicked them with your fingernail.
>> If I took the downward pressure off the saddle the noise
>> disappeared.
>>
>>I'm pretty sure this is a new phenomenon. I tapped each of
>>the spokes and the tensions seemed consistent. Is this a
>>normal part of a new bike 'bedding down' because I've not
>>experienced it before? Could the hot weather have had
>>anything to do with it? I'll ask my LBS about it
>>if/when I take the bike in for its free six week service,
>> but can anyone advise what the cause may be, and how I
>> could fix this myself in the meantime?
>>
>>Thanks, Paul
>
>
>
> http://www.sheldonbrown.com/wheelbuild.html#seating
>
> --
> DTW .../\.../\.../\...
>
> I've spent most of my money on mountain biking and
> windsurfing. The rest I've just wasted.
>
>
>
>
>

Thanks. It would appear the most likely candidates are:

1. The spokes weren't sufficiently stress relieved, or
2. The spokes are working a little loose

Unfortunately my LBS isn't actually very local so I will
have to plan a visit in advance. Am I likely to damage the
wheel by continuing to ride on it in the meantime? My home-
grown temporary remedy would be to squeeze the spokes in
sets of four (as described in the above link), and then
tighten them all by a 1/4 turn. Or should I just take it in
for its 100 mile service ASAP...?
 
D

D T W .../\\...

Guest
snip
>
> Thanks. It would appear the most likely candidates are:
>
> 1. The spokes weren't sufficiently stress relieved, or
> 2. The spokes are working a little loose
>
> Unfortunately my LBS isn't actually very local so I will
> have to plan a visit in advance. Am I likely to damage the
> wheel by continuing to ride on it in the meantime? My home-
> grown temporary remedy would be to squeeze the spokes in
> sets of four (as described in the above link), and then
> tighten them all by a 1/4 turn. Or should I just take it
> in for its 100 mile service ASAP...?

Paul.

Probably not stress relieved. I'd just make sure that
none of them are loose and forget about it until the 100
mile mark.

Use the sound method to judge which one's may be loose..
Tighten to remove the dull thud sound. Leave the rest alone.

--
DTW .../\.../\.../\...

I've spent most of my money on mountain biking and windsurfing.
The rest I've just wasted.
 
P

Paul

Guest
D T W .../\... wrote:

> snip
>
>>Thanks. It would appear the most likely candidates are:
>>
>> 1. The spokes weren't sufficiently stress relieved, or
>> 2. The spokes are working a little loose
>>
>>Unfortunately my LBS isn't actually very local so I will
>>have to plan a visit in advance. Am I likely to damage the
>>wheel by continuing to ride on it in the meantime? My home-
>>grown temporary remedy would be to squeeze the spokes in
>>sets of four (as described in the above link), and then
>>tighten them all by a 1/4 turn. Or should I just take it
>>in for its 100 mile service ASAP...?
>
>
>
> Paul.
>
> Probably not stress relieved. I'd just make sure that
> none of them are loose and forget about it until the 100
> mile mark.
>
> Use the sound method to judge which one's may be
> loose.. Tighten to remove the dull thud sound. Leave
> the rest alone.
>
> --
> DTW .../\.../\.../\...
>
> I've spent most of my money on mountain biking and
> windsurfing. The rest I've just wasted.
>
>
>

Thanks DTW, this is all useful knowledge :)