They are not part of a group. We usually call pats like these “non-series”. Pretty sure those are 2200. Look on the back side of the crank arm around the pedal hole. It will say FC-####, on the back side of the front derailleur plate FD-####, and the back side of the rear derailleur parallelogram RD-####
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They are not part of a group. We usually call pats like these “non-series”. Pretty sure those are 2200. Look on the back side of the crank arm around the pedal hole. It will say FC-####, on the back side of the front derailleur plate FD-####, and the back side of the rear derailleur parallelogram RD-####