The Shimano Ultegra CS-6800 Bicycle Cassette features rider tuned wider gearing options with 11-speed.
For more information on how to keep your bike running smoothly, click here to see PBK's expert advice on taking care of your chains and cassettes.
If ordered before 9pm, delivered by courier next working day. Available on orders placed before 9pm (2pm weekends and Bank Holidays) for delivery next business day. Applies to most delivery addresses within mainland UK.
Please remember to add postal time (2-3 working days) to obtain a complete estimate of delivery to your door.
You will receive an email to confirm when your item has been sent.
You can also check the status of your order and individual items by accessing My Account details and following the prompts.
Please allow 10 working days from dispatch of your order before notifying us of any late deliveries.
It may be advisable to check with your neighbours to see if a parcel has been left with them, check any outhouses you might have where it may be left if it cannot fit through your letterbox and contact your local sorting office to see if the item has been returned to the depot as undelivered and awaiting collection.
Please see our returns policy.
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Just the job. No complaints whatsoever. Thanks. great
Very good price, easy shipping. The perfect cassette for performance.
Great cassettes. Usual shifting excellence from Shimano & PBK had the best price.
Really good service for the ultegra cassette quick delivery and the best price around
I'm a bit of a Shimano fan (shame on you say all the Campag fans). This is part of the new Ultegra groupset range which is one step down from Dura Ace. The differences between the top end groupset and 6800 are in my opinion miniscule. The cassette is well made, engineered and excellent valu for money. Need I say more.
Hi all, Just a quick note to say that this cassette performs very well, just as I had expected, with shimano quality. I needed a bigger 1st gear so had to swap the old 25 for this, and the results are very pleasing, don't waste your money on dura ace, buy this!
This is a great cassette changes are smooth it is light and great value for money. Bought with even more discount from pbk.
Very good value for the payment and exelent prouduct works the same as its uprated durace cassette, very recomended
Bought this as i already have two 11-25 cassettes (on different wheelsets). Just got this for 100 mile sportive that was especially hilly. The extra cog on the 11 speed really improves this cassette over the older 10 speed ones as there are less noticeable big jumps between cogs . Still i would much prefer the 11-25 !
I bought it during the winter season when the sale price is the lowest. You can't compare the price with else where because PBK is by far cheapest. I used both 11-28 and 12-32T. When climbing you definitely need either one of them. 32t is better. Some says it is required to have long cage rd for that but in my case short derailleur worked just fine. No problems whatsoever. Climbs real good!!
It's really nice price. Also product quality is good