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Gearbox system weights taken from their websites.
Effigear system weight.
Gearbox 1550g
Oil 95g
Crank 460g
Shifter 135g
Pulleys 90g
Belt 60g
Total 2390g
Pinion System weight.
Gearbox 2698g
Crank 435g (CNC)
Chain 250g (estimate)
Shifter 95g
Chain tensioner 122g (needed with rear...
I just want to add that the Effigear gearbox can be configured differently depending on the bike suspension design desired.
http://www.effigear.com/#!frame-integration/c1fai
Hopefully the link works.
The concentric 2 axle configuration (like Pinion) is lighter in weight than the 3 axle design...