Free wheel/cassette problem.
Had the bike in the stand this PM and suddenly noticed that, when I moved the pedals forward, on occasion the freewheel mechanism wouldn't 'grip' straight away, and it all went round except the wheel (in the same way as if you spun the pedals backwards). Then it suddenly grips and there's drive again. I flicked thru the gears, and it happens quite a lot. I aslo noticed that when you spin the pedals, then stop them, the freewheel no longer makes the normal fast 'click-click-click' as it spins, but is just silent.
Any ideas pls? At a loss.
Knackered? Me?
http://i108.photobucket.com/albums/n11/ ... new005.jpg
Any ideas pls? At a loss.
Knackered? Me?
http://i108.photobucket.com/albums/n11/ ... new005.jpg
Knackered? Me?
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Comments
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Sounds like the pawl which engages in the ratchet is sticking. Probably just needs a stripdown and a cleanup to get it working properly again.
Nobody ever got laid because they were using Shimano0 -
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Smokin Joe</i>
Sounds like the pawl which engages in the ratchet is sticking. Probably just needs a stripdown and a cleanup to get it working properly again.
Nobody ever got laid because they were using Shimano
<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">
Cheers. Can I do that at home, or do you advise taking it to the LBS? Looked on SB and Park Tool, but not sure if I'm looking at the right bit.
Knackered? Me?
http://i108.photobucket.com/albums/n11/ ... new005.jpgKnackered? Me?0 -
They are not beyond a home mechanic, this is the link to the relevant page on Park Tools -
http://www.parktool.com/repair/readhowto.asp?id=45
Nothing to lose by having a go yourself if you feel confident, you can always go cap in hand to your LBS and get them to sort it if you get stuck.
Nobody ever got laid because they were using Shimano0 -
If its a freewheel ... you can unscrew the freewheel and remove it from the hub if you have the correct tool ... then it is not difficult to clean it up: First clean as much gunk off the exterior faves of the freewheel, between the cogs etc. Then get some white spirit in a bowl and soak the freewheel in it ... turning the mechanism round to get the spirit to do its job. The spirit will soon go dirty. Leave freewhel in spirit a while ... maybe an hour then allow to drain. Then get some motor engine oil and dribble some around the centre lockring (it may well have the makers name on it or an instruction 'unscrew' and an arrow. Do not unscrew unless you really want to disassemble the unit). keepo dribbling oil through the freewheel.. eventually it will start to sound god, almost silent. Excess oil will drain through the back. Let drain, wipe and refit.
Hopefully, job done.
Cheers, Phil0 -
...as above, BUT, if you do dismantle be prepared for a fight to put it all back together. Took me well over an hour to do, couldn't get the pawls to fit back into the ratchet...0
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Cheers for tha advice all - very useful. Having a go tomorrow, and will take it to the LBS if it doesn't solve it. So the pawls are the bit's that 'bite', so to speak, when you pedal? And if they are sticking, which I think may be likely from the responses, is that why the 'clicking' sound is now silent when the rear wheel spins now?
Knackered? Me?
http://i108.photobucket.com/albums/n11/ ... new005.jpgKnackered? Me?0 -
It is the pawls clicking against the ratchet when you freewheel that makes the click. If the pawl is stuck it won't be in contact with the ratchet at all and that is why you are in the situation where silence is definately no golden.
Nobody ever got laid because they were using Shimano0 -
Ok. Cheers for that and all other replies. Got London-Paris in 3 weeks.
Best now than then... [:)]
Knackered? Me?
http://i108.photobucket.com/albums/n11/ ... new005.jpgKnackered? Me?0
