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Shimano Ultegra CS-HG800 11-Speed 11-34 Cassette

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The Shimano Ultegra CS-HG800 11-Speed 11-34 Cassette provides wide-range gearing that's capable of conquering the roughest terrain. This cassette features a durable nickel-plated steel cog construction for corrosion resistant-riding that will stand up to seasons of use. Bringing the same performance you'd expect from their Dura Ace series, only with a slight weight penalty.


Gearing and weight:

  • 11t – 34t (337 grams): 11, 13, 15, 17, 19, 21, 23, 25, 27, 30, 34.

HG800 11-34 Tooth

Cassette Type: Shimano 11 

Ordered by Most Relevant First
5 stars
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(9)
(1)
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Reviewed 7/15/2018
by DonWA
Cycling Enthusiast
Palatine, IL
Value Rating
Overall Rating
Perfect addition to help with hills

I bought this cassette to help with hills as I am riding the Copper Triangle in Colorado this year. Wound up liking it so much I bought more of them to upgrade all my bikes. Fully compatible with Ultegra 8000 series derailleurs. With this cassette I could climb Everest .

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Reviewed 7/10/2018
by DonWA
Cycling Enthusiast
Palatine, IL
Value Rating
Overall Rating
Great Product

I was already running the Shimano 6800 11-32 cassette but anything I can do to help save my knees is a plus. You wouldn't think 2 extra teeth is a big deal but it is noticeable. When Shimano introduced this cassette and made it compatible with my current shifters I went for it. You will also need the 8000 series derailleur and a new chain to make it all work but when you are finished you will have a bike that can climb Everest without having to get off and walk.

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Reviewed 6/14/2018
by Anonymous
Cycling Enthusiast
Winters CA
Value Rating
Overall Rating
A few extra teeth allows for a spin instead of grind.

This cassette fits on medium cage rear derailleurs. The gear spread is perfect so you are able to adapt your gearing to cadence when climbing.

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Reviewed 5/5/2018
by Anonymous
Competitive Racer
North East California
Value Rating
Overall Rating
Crush the steepest climbs.

This is a great addition to the Shimano cassette lineup. Not only does it give you some lower gearing for steep climbs it is compatible with 1011 speed mountain freehubs as well as 10 speed road wheels. This has allowed me to use my mountain bike wheels with Ultegra 11 speed drivetrain.

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Reviewed 4/2/2018
by MVeloman
Cycling Enthusiast
Northern California
Value Rating
Overall Rating
3 of 4 customers found this review helpful.
Nice cassette, fits 10 speed freehubs

I bought this to give me a little more gear on the 20% climbs in my area. I had been using an 1132 on my Ultegra 6850 equipped Roubaix. It did what I wanted, with the added benefit that it fits my old 10 speed wheels. The carrier for the largest gears is concave so it will fit the slightly shorter 10 speed freehub body. You need to use a spacer for 11 speed hubs. On the down side, it's 45 grams heavier than the 1132. It works fine with the medium cage Ultegra derailleur.

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Reviewed 1/5/2018
by Smith
Cycling Enthusiast
Midwest
Value Rating
Overall Rating
1 of 1 customers found this review helpful.
When Achilles is a problem its time for 11-34 cassette

Easy rider bikeing , more spinning , more power with less stress on the leg,, better training faster biking, and nothing works when its twenty below zero.

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Reviewed 1/1/2018
by DBG
Cycling Enthusiast
Virginia
Value Rating
Overall Rating
1 of 1 customers found this review helpful.
Love the New Shimano HG800 34T Cassette

I am using this for hill climbing this year and the 34 will help get me over the top!

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Reviewed 7/6/2018
by Steve R
Cycling Enthusiast
Cincinnati OH
Overall Rating
Billy goat cassette works great!

Used this instead of my old 1132 cassette this year at DK200 to make the 11,000 feet of climbing a little easier and it did the trick nicely. Worked great with an Ultegra chain, compact crank and a GS rear derailleur Di2 set up. There was plenty of take up to keep the chain taught on the rough stuff cross chained and enough clearance on the 34 tooth cog with the B screw tightened up a bit.

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Reviewed 11/14/2017
by Pete
Cycling Enthusiast
Augusta Ga.
Overall Rating
This the equivalent of a winch for a bike!

I use this with a Wolf Tooth extension to provide me with an extreme climbing gear when I'm in the mountains, close to the end of a long day and down on watts.

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Reviewed 10/28/2017
by mark
Eugene, OR
Overall Rating
3 of 3 customers found this review helpful.
Typical shimano product

Top quality Shimano cassette, this cassette is about an ounce lighter than a sram one for the same gear range and shifts a bit smoother on my one by cross bike. The extra low end is a plus on some of the steeper cross crusade courses like ninkrossie.

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