Shimano Dura-Ace FC-R9200 12-Speed Chainring - 40t Asymmetric 110 BCD BLK NJ CheckoutSpec= Bosch Gen 4 5mm 9sp JIS - Black

5mm 9sp JIS - Black

5 Bag Material Deniers Ripstop Nylon Volume 0

Speed 10 BCD 130 Chainring Bolts 5 Chainring Comp

Pre-shaped 3D design for better fit and function

Easy On-Ramp profile allows for a smooth tire installation and stress- free inflation

Shimano Dura-Ace FC-R9200 12-Speed Chainring - 40t Asymmetric 110 BCD BLK NJ CheckoutSpec= Bosch Gen 4 5mm 9sp JIS - BlackShimano 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