BBB TRIPLEGEAR CHAINRINGS - ULTEGRA 6703 39T/130


  • 5-arm road chainrings.
  • CNC machined 7075 T6 aluminum.
  • Compatible with: Shimano Tiagra 4603 and Ultegra 6703.
  • BCD: 130 mm.
  • Size: 39T.

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