FSA K Force light 386evo or bbright crank weight

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Hi,
I'm currently working on a light build for my Cervelo R2. Does anyone have the weight on a kforce crank with the old 5bolt spider?

I was originally set on a 3d+ but it looks I could save over 100g with the K force and I think it looks a ton better. Any info would be greatly appreciated. I know there are plenty of guys on the forum with bbright kforce cranks on their Cervelos.

thanks!