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After more than five successful years, our friends at Cycle Republic have sadly ceased trading. However, Halfords is part of the same family of companies and we remain on-hand to provide great cycling products, high quality services and expert advice.

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Cycle Republic
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Shimano Dura Ace CS-R9100 11 Speed Cassette, 11-25T
794374

5.0

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Shimano Dura Ace CS-R9100 11 Speed Cassette, 11-25T
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Online Exclusive

Shimano Dura Ace CS-R9100 11 Speed Cassette, 11-25T
794374

5.0

(2)

£209.23
+
we Fit £10.00

Save up to £98.34 with Cycle2work
  • Speed Type : 11 Speed
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Shimano Dura Ace CS-R9100 11 Speed Cassette, 11-25T
Shimano Dura Ace CS-R9100 11 Speed Cassette, 11-25T
£209.23

Shimano Dura-Ace R9100 Cassette 11 speed (11-25)

Genuine Shimano replacement part

Shimano Dura-Ace R9100 Cassette 11 speed (11-25) Extra Info

  • Super lightweight 11-speed HG-EV cassette with a rigid carbon and alloy carrier for excellent shifting even under the most demanding gear changes
  • Hyperglide EV sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load
  • Close ratio gearing allows a more efficient use of energy through finer cadence control
  • Largest sprockets are mounted on lightweight alloy and carbon carriers to reduce weight and increase rigidity
  • 5 largest sprockets are made from titanium to reduce weight without sacrificing strength
  • Sprockets are extensively cut away and drilled to further reduce weight without reducing rigidity
  • Nickel-plated finish offers hard wearing resistance to corrosion
  • Alloy cassette lockring
  • For Super Narrow 11-speed HG-EV chains
  • Average weight 175 grams for 11-25 tooth