- Components
- Chainsets & cranks
- shimano fc-r9100 dura ace compact hollowtech ii chainset
shimano fc-r9100 dura ace compact hollowtech ii chainset
- The hollowtech ii 11-speed Dura Ace chainset offers the optimum balance of light weight and rigidity, making it the global choice for road racing's elite riders.Features:Hollow 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 industry leading hollowtech ii 4 arm cold forged hollow crank arms have been evolved to increase rigidity, reduce weight, and improve strengthThe teeth have been developed to work only in conjunction with the 11-speed chains for improved contact providing more efficiency and improved power transferThere is a wide range of chainring ratios and crank arm lengths available enabling customisation for all riders and racing disciplinesHollowtech ii integrated bottom bracket design uses a wider bearing placement and larger axle diameter for increased stiffness and efficiencyBottom bracket seal design has a minimal bearing interface gives superbly smooth rolling and increased durabilityWeight 609 grams (50-34t)
How does shipping work in the UK?
For smaller items (excluding bikes) We offer a variety of shipping options within the UK. Giving you the choice on your shipping time. You'll see 3 options on shipping times and prices from Royal Mail on our checkout page, each will require a signature on delivery.
The 3 options are:
Royal mail Tracked 24 - 1 to 2 working days
Royal mail Tracked 48 - 2 to 4 working days
Royal mail Special Delivery (Before 1pm) - Next Working Day
For complete bikes we offer 2 options:
Bike Delivery (Boxed) - 4-6 working days
Bike Delivery (Built) - 7-10 Working Days
International shipping. What to expect.
We ship worldwide, and international shipping usually goes smoothly.
Please note that you’ll be responsible for any duties or taxes once your order arrives in your country. The carrier will typically contact you to complete the necessary steps for delivery—this often includes paying applicable fees or taxes.
All imported goods must go through customs, which is entirely outside of our control. This process can take anywhere from a few hours to several weeks, depending on your country’s regulations.
Once your order ships, you'll receive a tracking number. We see the same tracking updates that you do, so we recommend keeping a close eye on them to stay informed.