Shimano Tiagra RS400 Road Bike Chainrings (Set of 2) BRAND NEW 2 rings 50t + 34t.. both rings are aluminium 9 or 10 speed compatible Compatible with most models/brands of cranks which use 110mm bcd, compact, 5 bolt fitment Examples.. Shimano 105, Tiagra, Sora, Claris FSA Gossamer, Vero, Tempo, Omega
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