• The ERD is 592 and it's always been 592... the 450 grams is a bit of a legend... I have never seen any of that imaginary crop... and I've been building them for over 2 years now... they first landed in the UK in the spring of 2012... I built the first around September 2012... the only thing that changed is the grey was light and matt and now it's dark and shiny

  • Not imaginary. I have two, grey anodised. I weighed them both and they came out at 450g +-2g. I know this because when I built my burls, I weighed everything to satisfy my spreadsheet OCD.

    For reference, these were bought in October 2012 from BLB.

  • Fair enough, but the ERD hasn't changed... if yours are lighter and you say thinner inside, then they should have a lower ERD than the current ones (not higher). On all rims I have always measured 592

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