If you assume you've hidden all the cables. So its just the mechs. I bet its not much. Unless you have Di2. My Di2 front mech is like a house brick veiwed Attached to my narrow aero seat tube.
@Smallfurry started
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If you assume you've hidden all the cables. So its just the mechs. I bet its not much. Unless you have Di2. My Di2 front mech is like a house brick veiwed Attached to my narrow aero seat tube.