SHIMANO JG.BI/PL.SH.Dura-Ace 110BCD 175 54x40D 2x12V Car Crankset, Sport, Black (Black), One Size

The Shimano Dura-Ace FC-R9200 12-Speed Double Chainset with HollowTech II technology offers the optimum balance of lightweight and rigidity, making it the global choice for road racing's elite riders.Shimano Dura-Ace FC-R9200 12-Speed Double Chainset FeaturesHollow outer chainring, giving vast improvements in rigidity and increased weight savingsThe hollow outer chainring has essentially removed outer chainring flex, hugely improving shift performance making it precise even under high loadThese industr... - Manufacturers part number: IFCR9200EX40

• Offered in even shorter crank arm lengths to offer adjustment options for any rider.
• Ensures light weight.
• Ensures the fastest and most accurate front shifting available.
• Transfers your pedaling effort to the transmission.
• Optimized crank arm design ensures power transfer.