Shimano Inner Chainring compatible with FC-R9100 and FC-R9100-P crank sets. These cranks have 4 arms and a P.C.D. of 110mm.
. Brand: Shimano
. Compatible: FC-R9100 and FC-R9100-P
. Arms: 4
. P.C.D.: 110mm
. Size: 36 Tooth