Mouse Weight Comparison
These are mouse weights, not counting batteries, cable, nor removable weights.
Logitech G300s, 80g.
87g. Logitech G403 Prodigy Gaming Mouse Buy at amazon
SteelSeries Sensei Mouse , 90g
Logitech G403 wireless is 107g.
Logitech G703, 107g.
Logitech G903, 110g.
Logitech G502 Proteus, 121g (without weights).
ROCCAT Tyon, 126g.
Logitech G602 Wireless, 107 g, 130g with 1 AA battery, 152g with 2 AA battery. (need battery to work)
Logitech G600, 133g.
G604 138g with battery
Logitech G700s, 2010 152g without battery