Vibration in the front end?

[xXGIBBOXx]

My bike has started getting a vibration somewhere in the front end , i know the front brakes rub a bit ( going to clean them out in the morning ) but this feels like a flat spot or something like that. It comes in at a bout 50kms and again round 90kms but it doesnt change speed . Which is the bit that has me lost as to what it is . It started doing it on Saturday morning on the way to work , but for only bout half the trip - same for the ride home . I was thinking lack of sleep was playing with my head but it starting doing it today . I know my front tread is low , but its even wear all round . Any thoughts on what it could be

[Jantar]

There are a number of possibilities: Wheel balance; tyre out of round; warped rotor; bent rim.

If the tyre tread is low then tyre and balance are the most likely causes.

[nzspokes]

Sounds like the tyre is stuffed. How old is it? Have you checked the date code on the tyre?

I wouldn't even think twice and dump the tyre, not worth it spitting up off.

[xXGIBBOXx]

well i did go a bit hard out with the brake cleaner last weekend ( monthly wash/wax ), so kicking a wheel weight off is more than likey the answer . cheers not sure which way im going for tire yet . might have to do some homework on what i want from my next shoes