Shimano Dura-Ace FC-R9200 12-Speed Chainring - 54t Asymmetric 110 BCD BLK NJ MPFN-BB MR 15267 LLU MAX Smaller version features a

Smaller version features a

The KMC e1 Chain is suitable for single-speed riding styles such as eBike track bikes and internally geared hubs

}Surly Preamble Frameset - 650b Black X-Small

Tapered internal sleeve to create a snug fit that eliminates twisting at the end of the grip

Chainrings are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability

Shimano Dura-Ace FC-R9200 12-Speed Chainring - 54t Asymmetric 110 BCD BLK NJ MPFN-BB MR 15267 LLU MAX Smaller version features aShimano 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