• All products are added to your cart.

Shimano Shimano Cs-R9100 Cassette 11-25 Dura-Ace 11-Speed

$380.00 $339.99
Cassette Sprocket
Ordered before 10AM (AEST), delivered tomorrow! You got: 03:39 hours
Shimano Shimano Cs-R9100 Cassette 11-25 Dura-Ace 11-Speed

Editor's Note

For the smoothest and crispest shift, get yourself one of these Shimano CS-R9100 Dura-Ace cassettes. This 11 speed, 25 tooth cassette is light weight yet strong and durable to help you tackle rides both steep and long. You will find yourself looking for the hills as an opportunity to change swiftly and smoothly through your gears. 


  • 25 tooth, 11 speed cassette
  • Precisely machined cogs balancing weight and durability
  • Carbon and Alloy carrier blends low weight and strength
  • Titanium and Nickel-plated steel cogs
  • CFRP & Alloy Spider Arm
  • 5 x Titanium Sprockets
  • 6 x Nickel-Plated Cro-Moly Sprockets
  • Manufacturer Warranty: 3 years (on defective materials & workmanship)


  • Rider tuned gearing
  • Lightweight


  • HG-EV
  • HG-X11


Model no. CS-R9100
Type HG-EV
Speeds 11-speed
Compatible chain HG-EV 11-speed/HG-X11
Combination name (Group name) 11-25T
Combination *Titanium gear Combination 1 11-12-13-14-15-16-17*-19*-21*-23*-25*T
Combination 2 11-12-13-14-15-17-19*-21*-23*-25*-28*T
Combination 3 11-12-13-14-15-17-19*-21*-24*-27*-30*T
Combination 4 12-13-14-15-16-17-18*-19*-21*-23*-25*T
Combination 5 12-13-14-15-16-17-19*-21*-23*-25*-28*T
Combination 6 -
Combination 7 -
Spider arm QTY (pcs) 2
Material Carbon
Finish -
Titanium gear Finish Titanium
Aluminium gear Finish -
Steel gear Finish Nickel plated
Lock ring Material Aluminum
Finish Anodized
Average Weight 175 g (11-25T)
193 g (11-28T)
211 g (11-30T)
189 g (12-25T)
205 g (12-28T)
Note *Titanium gear