Shimano Ultegra R8000 Chainset Teeth_50T whilst the Hollow Pin construction

whilst the Hollow Pin construction saves weight without sacrificing strength

Speed measurement possible in min/mph or mile/h

Personal size adjustment system

The versatile Dura Ace Di2 SW-R9150 remote satellite shifters expand customization possibilities of the ST-R9150 Dual Control lever further

RDS-certified down

Shimano Ultegra R8000 Chainset Teeth_50T whilst the Hollow Pin constructionShimano Ultegra R8000 Chainset Shimano's R8000 series chainset brings you the exceptional styling and efficiency of the top tier Dura Ace and makes it more accessible to all riders. Featuring lightweight crankarms, a hollow outer chainring and a wider gear pitch, the R8000 chainset offers optimal power transfer without weighing your bike down. Please note: The stock item you are purchasing is manufactured after 2019 and is not part of the product