wheel noise

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I've been hearing a thumping noise coming from my front wheel. It occurs when I apply the front brake. What could be causeing this noise? Wheel is Mavic Reflex Tubular with Conti sprinter. Recently glued. Thanks for your help

I've been hearing a thumping noise coming from my front wheel. It occurs when I apply the front brake. What could be causeing this noise? Wheel is Mavic Reflex Tubular with Conti sprinter. Recently glued. Thanks for your help
Glob of glue on the brake track or rim joint has some offset possibly??????????

Wheel out of true?

I've been hearing a thumping noise coming from my front wheel. It occurs when I apply the front brake. What could be causeing this noise? Wheel is Mavic Reflex Tubular with Conti sprinter. Recently glued. Thanks for your help

Glue hitting the brake block or a bit of basetape perhaps coming off, hitting the brake block.

Hey Frank, did you figure this out yet?

Bump

Hey Frank, did you figure this out yet?
After checking out suggestions from responces. I also looked in Sheldon Browns under strange noises The rim is new and upon inspection I found small high spot where rim is joined I adjusted the Brake pad The thumping although still there when brakeing hard became less Hopefully will continue to go away through use, Thanks for your suggestions Frank