Stronglight DURA-ACE & DI2 FC-R9100 chainring family — 110mm BCD, 4 arms

These Stronglight DURA-ACE & DI2 FC-R9100 chainrings share the same bolt circle and mounting pattern — 110mm BCD, 4 arms, 11-speed, CT² (black) finish, 7075-T6, fits Shimano. Pick your tooth count on this page — every option is a genuine Stronglight DURA-ACE & DI2 FC-R9100 ring at this BCD, bolt count, speed and finish.

Sold as the individual outer and inner rings of one Stronglight compact double — each option below is one ring, and its label notes the other ring it's paired with. Buying one ring on its own does not include the other half of the pair.

Available tooth counts

  • 38T (paired with 52T)
  • 52T (paired with 38T)

Stronglight products are covered against defects in materials and workmanship. Normal wear and misuse are not covered. For warranty support, return the item to Tune Cycles with your proof of purchase and we'll manage the claim with the supplier on your behalf. This is in addition to your rights under the Australian Consumer Law.

  • 110mm BCD, 4 arms
  • Speed: 11-speed
  • Finish: CT² (black)
  • Material: 7075-T6
  • Fits: Shimano
  • Sold as individual outer/inner rings of a compact double — check the pairing note before ordering both
  • 2 tooth counts available — choose on this page
SpecificationValue
BrandStronglight
ModelDURA-ACE & DI2 FC-R9100
BCD110
Bolt count4 arms
Speed11-speed
FinishCT² (black)
Material7075-T6
FitsShimano
Teeth options38T (paired with 52T), 52T (paired with 38T)
SKU BPW-SL-110-4-R9100PR
Brand Stronglight