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Discussion Starter · #1 ·
After a month of riding I've come to the conclusion that the stock tires (Pirelli Phantom) are pretty terrible on concrete.



There is a lot of grooved concrete in the Montreal area (due to construction and temporary roads) and any time I'm on them doing more than 60 km I get a bit of a wobble in the front end.



I'm not sure if it's due to the tires, the suspension, the lack of weight over the front wheel, but it certainly feels like a loose front bearing --when running over concrete.



Anyone else encountered this?
 

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If the grooves are parallel to the kerb, it's probably not the tyres or the bike causing the issue! I'd be surprised if your wheel bearings are worn - try it on smooth tarmac, or raise the front wheel and check it for play. I convinced myself that a Moto Guzzi I was test riding had a steering issue, when it wandered about on a grooved section of road....then I realised that all my bikes did the same on that particular stretch of road!
 

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Discussion Starter · #3 ·
If the grooves are parallel to the kerb, it's probably not the tyres or the bike causing the issue!

Yes, the grooves are parallel to the kerb, which is why I think it's the tread pattern. I have not encountered this with any other bike, but this is the only bike I've ridden that had a divot running along the contact patch!
 
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