20-11-11, 04:58 PM
If your helmet is 'beat up externally' it's likely that the impact absorbing 'lining' under the shell is not in A1 condition either, so it's fooked, -not that you should swap out helmet linings anyway.
The only answer to your question is No, you should buy a nice new helmet of the correct size.
The only answer to your question is No, you should buy a nice new helmet of the correct size.