Shimano Dura-Ace FC-R9200 12-Speed Chainring - 54t Asymmetric 110 BCD BLK NJ color-black/red Color Black Rim Width (Internal)

Color Black Rim Width (Internal) 30 Brake Track None Wheel Size 29" Defined Color Black ISO Diameter 622 / Road / 29" Hub Drilling 28 Rim Material Alloy Tire Type Tubeless Ready Valve Presta Rim Center Offset (mm) 4

The SLR Boost has a redesigned tip that allows you to further increase the comfort in the thrust phase and to take full advantage of the features of the saddle

Incline simulation up to 16%

One-piece alloy body

The Sword Black 1x crankset brings a gravel oriented gear ratio aesthetic and chainline to a square taper bottom bracket platform

Shimano Dura-Ace FC-R9200 12-Speed Chainring - 54t Asymmetric 110 BCD BLK NJ color-black/red Color Black Rim Width (Internal)Shimano Dura Ace FC R9200 12 Speed Chainring 54t 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 OuterTooth Count 54Round or Oval RoundDrivetrain Speeds 12Chainring BCD 110 Shimano AsymmetricMaterial AluminumDefined Color Black