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Shimano Dura Ace 9100 11 Speed Cassette. Gears to match your riding style as well as your chosen terrain with Shimano's new rider-tuned cassette sprockets. Free Delivery. For sales & expert advice call 01785 662769.
Shimano Dura Ace 9100 11 Speed Cassette. Gears to match your riding style as well as your chosen terrain with Shimano's new rider-tuned cassette sprockets. Free Delivery. For sales & expert advice call 01785 662769.
Shimano Dura-Ace

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

£190.49 £229.99 17% off
Size Guide
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

No Quibble Returns

We operate a simple 28 days returns policy that applies to all products sold and delivered direct to you, the customer. This means that for any reason you decide that you no longer want the product you may return it in it's original packaging, un-used with the relevant tags attached back to us and once checked we will refund your money within 28 days or replace your product (subject to stock availability). This offer in non-transferable. We do not accept returns that are customer soiled unless faulty and part of a warrantly claim.

Refund Policy

We operate a simple 28 days returns policy that applies to all products sold and delivered direct to you, the customer. This means that for any reason you decide that you no longer want the product you may return it in it's original packaging, un-used with the relevant tags attached back to us and once checked we will refund your money within 28 days or replace your product (subject to stock availability). This offer in non-transferable. We do not accept returns that are customer soiled unless faulty and part of a warrantly claim.

Cancelled / Refunded Orders Prior to Despatch

Occassionally our site will state that a particular item is in stock & avaible for despatch, when in fact it isnt. This is a unfortunate feature of our ecommerce system & the way our supplier SIM's operate and is beyond our control. As a result your order may be cancelled without prior notice if a solution cannot be found in good time. When this happens we will endevour to issue you a full refund as quickly as possible. Please check your emails for notifications on the status of your order. We will accept no responsibilty for emails dropping into spam folders or going un-noticed.


Damaged or Incorrect Items

If for any reason the product you ordered is incorrect or damaged then naturally we would be happy to replace the product or refund you in full. Please notify us via email or phone of any damages / incorrect products within 7 days of your delivery. Proof of damage will be required.


Returning Products

Should you need to return any products to us then you will be responsible for the cost of the postage. A returns form can be downloaded usling the link below. Once completed please include it in the returning package. On receiving the products we will carry out an inspection and should we find that it was in anyway our fault or the product was faulty then we will happily refund you the cost of the postage. Naturally should we believe it not to be our fault then we may choose not to refund any postage and may choose to claim costs of packaging for returning the products to yourself.

The product will be inspected against “reason for return” before any refund or replacement is posted out / made. Please note that will we only pay collection fees on warranty items unless agreed otherwise. Please ensure receipts are forwarded to us with the return where possible. You are responsible for the product until it is recieved by us. Please ensure that any returns are packed correctly to avoid any damage during transport as this may effect your refunded amount.

Our Returns Form can be downloaded here.



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

Brand:Shimano Dura-Ace

Code:CSR9100130

Shimano has retained the traditional close cassette ratios from previous editions of Dura-Ace, but with the new R9100 groupset they have also introduced a wide range cassette.

The cassette is manufactured from a lightweight alloy and carbon fibre spider that houses 6 alloy sprockets and 5 titanium sprockets. The largest sprockets are manufactured from titanium to keep the weight low. The sprockets are also extensively cut away and drilled to further reduce weight without reducing rigidity. The very best and quickest shifts are optimised thanks to the Hyperglide EV sprockets that have a computer designed tooth configuration with contoured shift gates. All cassettes in the range will be compatible with the one rear derailleur so you can easily swap your cassettes out based on terrain.
  • 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
Sizing Information
Professional Opinion
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