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I have a Cannondale Badboy with hydraulic discs as my winter commuter and recently something has started rubbing and for the life of me I cannot figure out what it is.
The noise is persistent even when coasting so I’ve ruled out anything pedal/crank/BB related, but it is a regular sound that is matching the revolution of wheels. Pfft, pfft, pfft. Something is rubbing. Somewhere!
The rubbing noise is not present when my bike is on a stand off the ground and I spin the wheels, so is my weight of sitting on the bike affecting something?
With my bike on a stand the wheels run true as I can tell by eye and the brake pads pull back to show a sliver of clear daylight when released and wheel spinning. Nothing caught in mudguards.
I have Tannus tyres that are all round in good condition and nothing stuck in them. I thought maybe it was noise of them contacting on the road, but I’ve had the tyres for a while and the rubbing noise is quite recent thing.
Is there anything else I can check or something I have overlooked?
Any advice greatly appreciated!
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