Shimano Dura-Ace FC-R9200 12-Speed Chainring - 40t Asymmetric 110 BCD BLK NJ CheckoutSpec= Bosch Gen 4 Teeth 42 Pedals Thread 9/16

Teeth 42 Pedals Thread 9/16 BB Inclusion No BCD Direct Mount Speed 12 Crank Spindle Diameter 28

Graphics designed with Felix

Speed 10 BCD 130 Chainring Bolts 5 Chainring Comp

5mm 9sp JIS - Black

Elliptical design offers more power better traction and less shifting

Shimano Dura-Ace FC-R9200 12-Speed Chainring - 40t Asymmetric 110 BCD BLK NJ CheckoutSpec= Bosch Gen 4 Teeth 42 Pedals Thread 9/16Shimano Dura Ace FC R9200 12 Speed Chainring 40t Asymmetric 110 BCD Black NJ. Shimano Dura Ace FC R9200 chainrings are constructed with high quality aluminum and are compatible with FC R9200 and FC 9200 P 2x 12 speed cranksets. Asymmetric 110 BCD Compatible with HG 12 speed chains TECH SPECS Color BlackRing Position Type InnerTooth Count 40Round or Oval RoundDrivetrain Speeds 12Chainring BCD 110 Shimano AsymmetricMaterial AluminumDefined Color Black