BBB TRIPLEGEAR CHAINRINGS 105 5703 - 30T/74


  • 5-arm road chainrings.
  • CNC machined 7075 T6 aluminum.
  • Compatible with: Shimano Tiagra 4503, 105 5703/5603 and Ultegra 6606.
  • BCD: 74 mm.
  • Size: 30T.

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