"Bottom Bracket I bought this NOS and has done 200 miles. Boxed as a Nervar with titanium axle it has cartridge bearings & is pretty light at 240g/118mm length. BTW both sides have Octagonal sided cups which is as it came to me."
So the weight sounds about right if this post is to be believed.
http://www.retrobike.co.uk/forum/viewtopic.php?p=689361&sid=27fd3c6e0afac0a25e51f24faaf28cdb
"Bottom Bracket I bought this NOS and has done 200 miles. Boxed as a Nervar with titanium axle it has cartridge bearings & is pretty light at 240g/118mm length. BTW both sides have Octagonal sided cups which is as it came to me."
So the weight sounds about right if this post is to be believed.
Oh hangon, it's a sale, perhaps where you got it?
http://www.retrobike.co.uk/forum/viewtopic.php?p=429768&sid=8d299408c2f19f9eda26df2a7af341aa