Shimano Dura Ace Di2 R9150 Groupset
System engineering at its peak. Each of the components magnifies the qualities of the others for an unparalleled level of performance. Optimizing input to maximize output. That's how it achieves supremacy.
• Chainset: FC-R9100 choice of cranks and chainrings (621g)
• Cassette: CS-R9100 choice of ratio. 11 speed (175g)
• Rear Derailleur: RD-R9100 SS or GS (for 11-32) (158g)
• Chain: CN-HG901 (264g)
• STI Levers: ST-R9100 Brake/Gear Levers including all cables (365/pair)
• Brakeset: BR-R9100 (326g/pair)
Shimano, Inc. is a Japanese multinational manufacturer of cycling components. Dura-Ace relies on Shimano's most advanced manufacturing technologies to deliver concentration, control and confidence.