Shimano FC-08 46t 11S Asymmetric 110 BCD Black Chainring MFPN=4021800 Sizing: S (51-55cm – 20-21

Sizing: S (51-55cm – 20-21 58")

The result being less arm pump and hand fatigue for a better ride and shorter recovery

The retaining ring ensures an optimum fit of the tool in the holder

precise to +/- 3% as per DIN EN ISO 6789-1:2017-07

Flat shape with not cutout for a classic feel

Shimano FC-08 46t 11S Asymmetric 110 BCD Black Chainring MFPN=4021800 Sizing: S (51-55cm – 20-21The true spirit of the sport Shimanos Ultegra 11 speed asymmetric chainrings provide clean chain engagement for reliable riding. The 110 BCD bolt pattern is compatible only with cranks with a matching 110 BCD, 4 bolt pattern. Ultegra components lead in all day riding comfort with smooth power transfer and shifting. Redesigned tooth profile for improved shifting and chain retention Hollowglide technology for light weight and stiffness