SramMTB Direct Mount Aluminium 11-fach X-sync 3 Mm Offset Boost Chain Rings

Hi, does it fit on to a sram x1 1000 eagle gxp boost pf qf 168 / 32t 12 speed? specific a spark rc team

The chainring is 30 t, 32 t or 34 t?

Hello. Is it made of steel or aluminum? Thanks.

Which bottom bracket will this work on, a gxp (24 mm) or 30bb?