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  • If you want the full shiny triple and HT, you will need to find a Tiagra FC-4603. As @Mr_Bump says above, the main rings are 130 mm BCD. It's a very nice chainset as most owners know...tho not so nice as the FC-7803.

    An alternative is the Sugino XD-2 triple from Spa Cycles, a stone bargain but from a different era, requiring a square-taper bb.

    Good luck with your search!

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