Originally Posted by Bob Dopolina

Check the front page of our website, genius. We produce a 25mm wide, 40mm deep carbon disc specific rim that is 405g.

During development the CAD modeling proved we could have save 60g per rim but making it tubeless compatible added back on another 30g.

Those number didn't come out of my ass, they come out of my wallet. The other numbers I posted, and linked to, were published by WW.

Now go away.