Originally Posted by
Jay,
iirc 50mmx2mm cds seem less or 45x2.5mm is msa approved but the 50mm is lighter over a whole cage
yeah mk3 cages from customcages are 45x2.5mm which it says high standard than msa min requiments.
well ive only got a little 1.7 engine so would like to have it as light as possible.