|
Post by Rocket on Jul 11, 2015 18:17:45 GMT
I've had this noise when out of the saddle applying the big watts. Gone through the usual substitution of known good components. Bottom bracket, pedals. Checked tightness of chainrings. Lubricated stem spacers and seat post. Ended up with the bike almost in bits. Then a breakthrough. When doing the bendy, flexy frame test by applying my foot to the crank with the bike leant over I was able to hear it and pinpoint it to the forks. I took the forks out and with the wheel fitted I could still make the noise by holding the steerer and applying force to the fork blades with them leant over. At this point I feared the dropouts had become unbonded from the blades. I put the wheel in my original steel forks and repeated the test and the noise had gone. Oh dear... Anyway, forks are OK the culprit was the front skewer. It had worn the dropouts and itself to the point where the plastic surrounds were contacting the dropouts meaning the clamping force was reduced due to lack of friction between plastic and aluminium. Put a different skewer on and silence once more. Not even a squeak whilst winning the cafe sprint this morning. I mentioned it to one of the more seasoned club members and without saying what it was he immediately asked if it was my front skewer. He had seen it before and been advised to apply a drop of oil under the skewer in his case. He said this only affects really powerful riders so I have arrived
|
|
|
Post by r0b1et on Jul 11, 2015 19:26:32 GMT
I had a squeaky front skewer - bit of grease sorted it - but you've made me feel like a boss too.
|
|
|
Post by Rocket on Jul 11, 2015 20:16:10 GMT
I elected not to apply lubricant as all it will do is reduce friction further and change the pitch of the squeak to inaudible by the human ear (this is why dogs chase bikes?) and allow things to move even easier. Restoring adequate clamping force was the way forward for me. And yes, you are the boss r0b1et
|
|
|
Post by r0b1et on Jul 11, 2015 20:57:52 GMT
I elected not to apply lubricant as all it will do is reduce friction further and change the pitch of the squeak to inaudible by the human ear (this is why dogs chase bikes?) and allow things to move even easier. Restoring adequate clamping force was the way forward for me. And yes, you are the boss r0b1etI think you'd stuff me tbh. Especially in this state. Only just got kids to got to bed (stupid warm and humid evenings) - was going to do and FTP test tonight, but that will have to wait.
|
|
|
Post by ChrisD on Jul 13, 2015 6:38:48 GMT
|
|
|
Post by erictherat on Jul 13, 2015 9:20:29 GMT
hate those random squeaks you cant locate. cant relax when you got one, always waiting for something to break.
had one the other week, when going uphill. I was sure it was the BB or cranks. took them off, cleaned, replaced. still squeaking. pedals? - no. cleats ? - no, but cleaning did solve the sqeak when i walk. cassette? - no, freehub? - no.
finally realised that although the noise was intermitant, it never happened when i was out of the saddle. BINGO - the saddle. I had moved it forward a couple of mm. - 1/8th turn tighter and all good. felt a bit of an idiot, but at least everything got a good clean on the way to a solution.
|
|
Deleted
Deleted Member
Posts: 0
|
Post by Deleted on Jul 28, 2015 13:02:52 GMT
I had a squeak coming from the new shoe I bought. Bike mechanic from store who was riding with me kept trying to convince me noise was from my knee!
|
|
Deleted
Deleted Member
Posts: 0
|
Post by Deleted on Jul 28, 2015 15:23:25 GMT
I had a squeak coming from the new shoe I bought. Bike mechanic from store who was riding with me kept trying to convince me noise was from my knee! WD40...worked on my knee bobk...don't know if it works on footwear? Welcome on board!
|
|