Shimano Dura-Ace FC-R9200 12-Speed Chainring - 54t Asymmetric 110 BCD BLK NJ CheckoutSpec= Black w/ Stealth Gender/Age Mens Color Stealth Material

Gender/Age Mens Color Stealth Material Synthetic Clamp Style Std Rails Length 273 Defined Color Black Saddle Cut Out Yes Rail Material Chromoly Width 149

8 x 12mm Black Box of 100

so the harder you pedal

6 / IS41/30 Short Cover Headset Black

Shimano Dura-Ace FC-R9200 12-Speed Chainring - 54t Asymmetric 110 BCD BLK NJ CheckoutSpec= Black w/ Stealth Gender/Age Mens Color Stealth MaterialShimano 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