Shimano Dura-Ace FC-R9200 12-Speed Chainring - 40t Asymmetric 110 BCD BLK NJ CheckoutSpec= (44mm) 150mm - Blk Rear Axle QR x 141mm

Rear Axle QR x 141mm Rim Width (Internal) 29 Cassette Body Type Shimano Micro Spline Wheel Size 27

}SRAM Force 2x Chainring Kit - 50/37t 2x12-Speed 8-Bolt Direct Mount Black D2

}Wolf Tooth Direct Mount Chainring - 44t RaceFace/Easton CINCH Direct Mount Drop-Stop 10/11/12-Speed Eagle and Flattop Compatible Black

Exact Actuation Ratio delivers 3mm motion per shift across the entire cassette

}FOX SLS Coil Rear Shock Spring 700lbs x 2

Shimano Dura-Ace FC-R9200 12-Speed Chainring - 40t Asymmetric 110 BCD BLK NJ CheckoutSpec= (44mm) 150mm - Blk Rear Axle QR x 141mmShimano 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