Hi,
I got a Flet IA14 bike with 11 speed group set.
The crankset is TriMax and derailleur is Shimano Ultergra 11 speed.
My question is that can I replace the TriMax with the "Shimano Ultegra R8000 11-Speed 165mm 36/52t Crankset"
and should the replace help to cut weight?

Thanks.

Hari