Shimano Dura-Ace R9100 36t 110mm 11-Speed Chainring for 36/52t MFPN=BB MR 21531 LLB-BX model EA90 diameter 27

model EA90 diameter 27

Independent HSC circuit providing an adjustable high-speed blow off point combined with a LSC circuit providing adjustment for chassis control and small bump sensitivity

the Scarab features one of the widest platforms available but thanks to the thin profile and chamfered corners it has great corner clearance

25 Flat Protection Sidewall ISO Width (mm) 57 ISO Diameter 622 / Road / 29"

Shimano Dura-Ace R9100 36t 110mm 11-Speed Chainring for 36/52t MFPN=BB MR 21531 LLB-BX model EA90 diameter 27Shimano Dura Ace R9100 36t 110mm 11 Speed Chainring for 36 52t. This Shimano chainring allows you to update your Dura Ace FC R9100 11 speed crankset with a chainring configuration to best fit your riding style. Integrates Shimano Hollowglide Technology: the high rigidity hollow structure cuts down on weight yet maintains strength to provide better power transfer and quicker more precise front shifting Features a weight saving 4 bolt design with a BCD