Reviews over the

Shimano Ultegra R8000

I need it to get up the Italian Dolomites!

Pros & Cons

brilliant, just work seamlessly

As to be expected with Shimano Ultegra, good quality cassette for tjr price. Nice clean, crisp shifting.

Whilst it is undoubtedly good quality, it is still too expensive in my opinion. Mantel with the best price around though.

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Good product, always reliable

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used only twice but you can fel and sense the difference from the 105 cassette i had before , will be buying another soon for my winter cycle

much better than the 105 cassette i used to have , you definetly get what you pay for with this cassette.

Utilizzo da diverso tempo questa cassetta pignoni, mai avuto problemi.. Cambiate perfette e acquistato ad un prezzo ottimo Mantel sempre

Pros & Cons

Not much to say, as light as you can get from Shimano, does what it says in the tin but a bit expensive for what you get

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Satisfied with Shimano quality

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Cassette has good gear ratios, so shifts well

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A Shimano cassette runs well. Always perfect

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Meets expectations. Well packaged and easy to assemble.

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quality product received at a great price and in a tight time frame

Meets fine, switching perfect

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Great stuff in combo price with chain included

Fine lasts for 8000 km

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Great stuff and delivered quickly

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Prompt delivery time, product as per description and low price

price quality is okay

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The Shimano cassettes shift smoothly and have acceptable longevity, otherwise they are not too heavy.

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excellent like all shimano products

Just what I needed and expected.

Fast shipping and good price of the product.

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Familiar for years.

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It matches expectations.

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Meet my expectations

Does what it is expected to do.

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I purchased the 11-34 Ultegra R8000 cassette from Mantel to replace my current Ultegra 11-32 cassette. Good service and quick delivery. I do a fair bit of hill climbing and as I get older, I needed a little more help. I was concerned at first thinking that the gear ratios may be difficult to get use to. To be fair it is brilliant I love the ratios - the 30 tooth gear is ideal for most hills, saving the 34 tooth ratio for that really tough climb, or when I'm fading!

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It's a cassette! It does exactly what it says on the tin. The range 11 to 30 is great. You might miss a ratio in the middle but it gives everything you should need at both ends of the spectrum.

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That bottom gear does just the job on the 20% hills

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I’m reasonably fit but don’t generate much power. Any sustained climbing over 7% burns me out leaving me wrecked on long runs. This cassette fixes that problem.

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I'm not a cadence orthodox but still find the 2-teeth grading very smooth for climbing (I did some 20%+ gradients on my semi-compact) and descents. Though I did very litte flats b/c I intend to use it solely for the mountains. Still good piece of specialist kit.

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Nice and light.

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This cassette works beautifully. chain not dropped once, and shithing fast.

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Great product. Need a 36 to match the sram cyclocross group-set

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Excellent quality...does what it says on the box

Happy with purchase. No problems

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Great cassette as its so close ration all the way to 21. Shame its not available in dura ace

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Gives you all the range you need when the road points up. Super smooth shifts and no need to be riding around with a 28 as the largest sprocket anymore. If you have standard Ultegra r8000 rear derailleur that should be fine, just new chain only.

Pros & Cons

Reliable and consistent. Shiman Ultegra.

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Needed the extra range cassette for the Spanish hills I now won't be visiting. Will keep it handy and will hopefully use later this summer.

Best price I found Good speedy delivery and well packaged

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Usual Shimano quality Usual cheap price and quick delivery from Mantel Happy And bike now shifts properly

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It does what it says on the tin. Usual shimano quality great price and quick delivery!

I have used ultegra cassettes for many years and I know for their durability many pro teams and riders use them as they are bombproof.

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Replaced my 11/28 cassette with this 11/32 and it’s given me that extra gear I needed to grab on the climbs. Great shimano quality as expected and a great service during lockdown

Please urge to deal with such a streamlined service, kept informed every step of the way from order to shipment to expected delivery time

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By far the cheapest price I could find for the r8000 cassette

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Cassette range options available was excellent, meaning I was able to get exactly the same range as I already had on my bike. Delivery was very quick and the price was better than other retailers

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Shimano as always

Super kit

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Very helpful,didn't wait long to receive my cassette

Great service quick and fantastic price

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Living in an area where steep hills make cycling more challenging, I wanted a cassette that was easier on the hills. This 11 speed 11-34 made a huge difference, giving me that extra gear.

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super fast delivery at a great price and a quality product what more can i say !

Excellent quality as ever from Shimano. Super smooth shifting and light weight.

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Top company great delivery great price very happy with the service

Mantel offered the best price and a fantastic service. I would definitely recommend them.

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Bought this Ultegra cassette for the best bike. Crisp, smooth shifting, easy to keep looking good, what is not to like? Would recommend both the cassette and Mantel!

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I bought this to replace my 11-28 cassette to give me more options on some steep French roads. It's easy to fit and was packaged well and delivered quickly

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Excellent product

Shimano Ultegra from Mantel at an excellent price and fast delivery

everything great, everything turned up on time and works perfectly

Excellent item

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I use this 11-30 cassette with 52-36 at front and Di2 RD 8050 SS. I'm sure that the Gear Position Control witch prevents to shift into the 2 smallest sprockets allows calculate the chain capacity of RD like: 52-36 + 30-13 = 33 (the chain capacity of RD SS)

Ive ridden my bike far mire tgan usual during lockdiwn, 6000km in 3 minths, so i thought i should invest ina new cassette even though the old one was only 8 months old. I added a new chain two as i replace a chain ever 2 to 3 months. Wow, whar a difference. Shifting is properly crisp and smooth.

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Really happy with both the quality and price of this component. I bought the chain/cassette bundle which meNt that I was getting the most compatible components. Great delivery, 2 days to Ireland.

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Needed a larger spread of gears with a 32 for an Everesting. This Ultegra cassette met my requirements perfectly: lightweight and smooth shifting. Good price and delivery too. Would recommend.

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Top quality product....and a great price compared to other companies

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Even though my bike has an Ultegra groupset, I normally use 105 cassettes as they are cheaper and only a few grams heavier, but with Mantel's competitive pricing I can get this for the same price as a 105 cassette from other suppliers.

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Product excellent, service outstanding, staff amazing, delivery fast, pricing very good and have you watched the 'thank you' video ? Brilliant...

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Good prices, fast delivery, great service from Mantel. Highly recommended online retailer

Good price, quick delivery, perfect item

Good quality cassette to match that of my bikes. Purchased for use on turbo but decided to put it on my bike & use old cassette on the turbo. Best price, good service & speedy delivery from Mantel

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Arrived quickly and well packed. Also cheapest on the web

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Good quality component and good delivery from Mantel, receiving it promptly and offering the best price around