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Two rides ago I heard a noise coming from the rear wheel. My first description of the noise was it sounded like a tiny baseball card in bicycle spokes. A better description would be the noise the rear axle of a 10 speed bike when you are coasting. My first reaction was to apply the rear brake, but that didn't affect the noise at all. So I stopped the bike and checked carefully for any foreign objects, nothing. My son, who was following me said that he could hear it from 20' behind me. After the shortened ride I put it up on the centerstand, in neutral, and spun the wheel. It definitely sounds like 10 speed coasting noise and seemed to come from the rear wheel sprocket area. When I spun the wheel forward the clicking stopped after a few revolutions, but when I spun the wheel backwards the clicking was consistent. The chain didn't look especially dry and there is only 550 miles on the bike, but I lubed it anyways and the sound seemed to diminish, but Jane was rushing me to get to a dinner engagement so I just put it away. Fast forward to yesterday. The clicking is still there. I found that it was very quiet when I was accelerating, but the minute I backed off the throttle it was very apparent. I stopped and saw ACK and we put it up on the centerstand and he was baffled. He looked at the chain tension and he thought that it was a bit slack, but by no means bad, especially with only 550 miles. To me it sounds like the noise is coming from the left side of the hub near the sprocket. Its not nearly as loud when I listen from the right side. Has anyone else heard this clicking ?
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(07-29-2015, 11:05 PM)Chapomis_imp Wrote: Two rides ago I heard a noise coming from the rear wheel. My first description of the noise was it sounded like a tiny baseball card in bicycle spokes. A better description would be the noise the rear axle of a 10 speed bike when you are coasting. My first reaction was to apply the rear brake, but that didn't affect the noise at all. So I stopped the bike and checked carefully for any foreign objects, nothing. My son, who was following me said that he could hear it from 20' behind me. After the shortened ride I put it up on the centerstand, in neutral, and spun the wheel. It definitely sounds like 10 speed coasting noise and seemed to come from the rear wheel sprocket area. When I spun the wheel forward the clicking stopped after a few revolutions, but when I spun the wheel backwards the clicking was consistent. The chain didn't look especially dry and there is only 550 miles on the bike, but I lubed it anyways and the sound seemed to diminish, but Jane was rushing me to get to a dinner engagement so I just put it away. Fast forward to yesterday. The clicking is still there. I found that it was very quiet when I was accelerating, but the minute I backed off the throttle it was very apparent. I stopped and saw ACK and we put it up on the centerstand and he was baffled. He looked at the chain tension and he thought that it was a bit slack, but by no means bad, especially with only 550 miles. To me it sounds like the noise is coming from the left side of the hub near the sprocket. Its not nearly as loud when I listen from the right side. Has anyone else heard this clicking ?
Make sure that the chain is correctly aligned with the two sprockets. Under load the sound might not be as noticeable as when you are coasting.
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I would check the chain for a defective, binding link. Next, remove the rear wheel and do a close inspection of all associated parts, wheel bearings, sprocket, brake disc and spacers. If still in warranty, I would take it to the dealer if all else fails.
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hmm my initial reaction was dry chain, but you said no. I would loosen the axle, check alignment as Gary suggested, and retighten to spec just to eliminate that..
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My DLX has that very same noise. I would say its more of a whirring sound than a click and only heard when coasting off throttle. My bike also has low miles 360. Chain appears lubricated and bike rides smoothly. I have not investigated as I thought it was just a character of the bike but now I think I should.
I am out of warranty so will have to try to fix myself or pay $$$ if its serious.
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I'll be riding mine in a bit. Will try and listen. It's not a noise associated with the slotted speed sensor is it?
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My first thought was speed sensor also, but what Steve said, one binding link in the chain makes sense to me too. If other bikes have the noise, could it be just a normal sound from the master link?
-George. who sometimes is glad his hearing isn't what it used to be.
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There is a spec in the service manual for the gap between the sensor and ring. Man, I would think if the sensor was rubbing on the ring that the sensor would get messed up pretty quickly.
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maybe not rubbing popgun, but air noise as the holes pass thru. Drilled front rotors do this I've noticed.
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I guess that is a possibility. I didn't know that about drilled rotors. If mine does that I don't hear it. Or can't hear it
