After flushing, while the toilet tank is filling, there is banging in the pipes. I recently replaced the flush handle and ball cock... could this be part of the problem?

Thanks

After flushing, while the toilet tank is filling, there is banging in the pipes. I recently replaced the flush handle and ball cock...could this be part of the problem?

Thanks

Which ballcock did you install? (see image) Does the noise start when it's filling or when it shuts off? Describe the noise. Big bang? Lottsa little bangs? Thump? Rattle? What? Back to you, Tom