I intermittently hear a really loud buzzing sound on my road bike (with rim brakes) when I go downhill. I think the sound is coming from the front but it’s been really hard to diagnose because it doesn’t happen every time I go downhill. I have a carbon road bike with Ultegra components. A bike mech…

Pick the front of the bike up a bit, while leaving the rear wheel in contact with the ground. Drop the bike. Does it rattle?

Easy fixes would be the aforementioned internal cabling rattling or your valve stems rattling inside the rim which can be an issue

Thanks to everyone that replied! It seems that the sound is actually coming from the rear wheel (not the front) as I’ve just recently read about the ‘Mavic death squeal’ and this video replicates that sound that I was hearing. I have ordered a conversion kit from HubDoctor on eBay but for the meant…

TrainerRoad

Bike Buzzing Sound on Descents

Equipment

PusherMan August 19, 2021, 5:02am 3

Does your bike have interval cabling? Just wondering if that could be the issue… the cable vibrating internally.

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Bike Buzzing Sound on Descents

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