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

ShimanoUltegra CS-HG800 11-Speed 11-34 Cassette(Return to Product Page)

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(41 customer reviews)
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User submitted reviews

Review by WayneB

Reviewed 9/15/2024
by WayneB
Cycling Enthusiast
Northern California
Value Rating
Overall Rating
Great product. Works well if you do a lot of climbing.

Shimano Ultegra are quality products. I ride a road bike in an area where there are a lot of hills and do a lot of climbing. The 11/34 cassette works great for the areas I ride.

Thank you for your feedback.

Review by Lancer

Reviewed 9/16/2024
by Lancer
Cycling Enthusiast
Oak Harbor, WA United States
Value Rating
Overall Rating
Fast service. Fast shipping.

It's possible to find this cassette from lots of sites.

Bike Tires Direct is usually less expensive and almost always faster shipping.

Helpful with questions.

A plus.

Thank you for your feedback.

Review by Rick

Reviewed 7/4/2024
by Rick
Vancouver, WA
Overall Rating
Worked perfectly

I�m an older cyclist and needed a gear range that would make hills a little easier to negotiate. Installed the 11/34 cassette and have had no problems with shifting. Gear shifts are smooth. Had to make a slight adjustment with the rear derailleur is all.

Thank you for your feedback.

Review by Moab Man

Reviewed 5/13/2024
by Moab Man
Cycling Enthusiast
Marin/Moab
Value Rating
Overall Rating
1 of 1 customers found this review helpful.
Going to the Rockies

Doing a tour of Utah and Colorado. Decided to get a lower gear for the altitude climbs. Fit perfectly on the Shimano wheel in place of an 11-32. Did not need to shorten the chain, just a turn or 2 on the B screw.

Thank you for your feedback.

Review by Luke

Reviewed 8/12/2020
by Luke
SF Bay Area
Overall Rating
4 of 4 customers found this review helpful.
Great for the tough climbs locally

I bought a second lighter wheelset for my gravel bike with more A road bias. My other wheelset have the same 11-34 gearing. Decided to upgrade to the HG800 from the HG700 mainly because the price was minimal and BTD'S VIP points made the cost negligible for a slightly lighter and nicer cassette. The 11-34t cassette paired to a 46/30 subcompact crankset allows decent road speeds but allows you to crush any hill on the road and all but the steepest trail climbs here locally. I have found that I can climb 16 degree fire trails with this cassette before I have to stand up and the tires skid out beneath me with a file tread tire.

Probably doesn't need to be said that you will need to add links to your chain if you are going from a smaller cassette.

Thank you for your feedback.

Review by Scott S

Reviewed 3/21/2024
by Scott S
Cycling Enthusiast
Seattle, WA
Value Rating
Overall Rating
1 of 3 customers found this review helpful.
Great cassette but better service!

I have a second set of wheels for my "all road" bike. I am using this on my new set for summer riding! Obviously, this product can be purchased through may outlets. Bike Tires Direct is always my first stop when shopping. Excellent service. I also love the VIP Buyers Club!

Thank you for your feedback.

Review by Anonymous

Reviewed 2/17/2023
by Anonymous
Competitive Racer
Golden, Colorado
Value Rating
Overall Rating
4 of 4 customers found this review helpful.
Solid choice for the money

Crisp, clean shifting cassette for those who don't feel like spending the extra cash for the Dura Ace. The larger 34 tooth gearing works perfectly in the Colorado mountains or on the steep gravel roads.

Thank you for your feedback.

Review by PNW Biker

Reviewed 11/6/2023
by PNW Biker
Competitive Racer
Pacific NW
Value Rating
Overall Rating
SRAM 11sp compatible

Sweet spot gearing for PNW Cyclocross (SRAM 11x32 is too high for hilly CX courses, and the 11x36 is too low for flat courses, but Shimano's 11x34 is just right). Fully companiable with SRAM Force1 1x11sp.

Make sure you use the supplied freehub spacer.

Thank you for your feedback.

Review by Anonymous

Reviewed 10/17/2023
by Anonymous
Cycling Enthusiast
Mid-Atlantic
Value Rating
Overall Rating
1 of 1 customers found this review helpful.
What's not to like?

I've been using Ultegra cassettes ever since I broke two Dura Ace cassettes. They are quiet, shift great, and if you replace your chain when needed these cassettes last for well over 10,000 miles. The only reason I just bought a new one is that I'm looking for slightly lower gears for climbing as my girlfriend is the "Fastest girl in the world" and I'm trying to keep up with her on long steep climbs.

Thank you for your feedback.

Review by Rainman737

Reviewed 6/23/2023
by Rainman737
Cycling Enthusiast
Camarillo, CA
Value Rating
Overall Rating
1 of 1 customers found this review helpful.
Replaced an Ultegra 11-28

Very high quality and great having the extra low gears for climbing. Be sure your derailleur can handle the larger cassette or buy a wolf tooth extension. You will also need a new chain. Very pleased with this purchase.

Thank you for your feedback.

Review by BigMac1957

Reviewed 10/28/2022
by BigMac1957
Cycling Enthusiast
Las Vegas, NV
Value Rating
Overall Rating
2 of 2 customers found this review helpful.
Works well with my 11 speed dura-ace derailleur

I bought this to use when I do long very steep climbs in place of my usual 11-30 cassette. Its nice to have 2 easier gears on those climbs.

Thank you for your feedback.

Review by AAcyclist

Reviewed 10/10/2023
by AAcyclist
Cycling Enthusiast
Ann Arbor, MI
Value Rating
Overall Rating
1 of 1 customers found this review helpful.
Solid smooth shifting

A rock solid, well made product. Shifts are smooth and quiet.

Thank you for your feedback.

Review by BERoss

Reviewed 10/13/2023
by BERoss
Cycling Enthusiast
Annapolis, MD
Value Rating
Overall Rating
The cassette works great

The cassette was delivered without any issues. I gotten installed for an upcoming event that required some climbing elevation. I wanted to be ready. The cassette works great.

Thank you for your feedback.

Review by Joe D

Reviewed 11/2/2018
by Joe D
Cycling Enthusiast
Ridgefield wa
Value Rating
Overall Rating
2 of 7 customers found this review helpful.
Best place to buy!!!!!

Needed an 11 speed Cassette that could work on my 10 speed wheel. Bike Tires had it and at a great price. BT always the best to deal with. I have made well over 100 purchases from them. I usually pick up at their store in Portland Or.

Thank you for your feedback.

Review by Dave

Reviewed 7/28/2023
by Dave
S. C.
Overall Rating
Great climbing cassette

As alaways you get what you pay for, it's pricey but worth it for the quality and smooth shifting.

Thank you for your feedback.

Review by rnfpdx

Reviewed 11/4/2021
by rnfpdx
Cycling Enthusiast
Portland, OR
Value Rating
Overall Rating
6 of 6 customers found this review helpful.
Great for gravel. Don't forget the spacer!

Replaced an 11-32 on my gravel bike. Nice to have the extra teeth for a little more relief when the going gets steep. NOTE that even though this is branded as an Ultegra cassette, it is actually spec'd for mountain bikes. Meaning - if you're using a road hubset you need to install the included spacer on the freehub before you install the cassette.

Thank you for your feedback.

Review by DutchTouch

Reviewed 1/13/2023
by DutchTouch
Overall Rating
Shimano Ultegra CS-HG800 11-Speed 11-34 Cassette

Great cassette

Thank you for your feedback.

Review by J brown

Reviewed 1/31/2020
by J brown
Idaho
Overall Rating
1 of 2 customers found this review helpful.
Gravel Cassette

Used this on a second set of wheels, GRX components, worked flawlessly.

Thank you for your feedback.

Review by Anonymous

Reviewed 3/25/2019
by Anonymous
Cycling Enthusiast
Value Rating
Overall Rating
5 of 5 customers found this review helpful.
The casssette for the rest of us

There is no shame in getting the gears that work FOR YOU! My setup Praxis Zayante 4832, Shimano Ultegra FD-6800, and Ultegra RD-6800-GS (long cage). The HG800 11-34 was a simple drop-in replacement for a CS-R8000 11-32. I tightened the B-Screw a 12 turn but it really wasn't that necessary. I did not even have to change the chain. The derailleurs have no problems shifting small-small to big-big and every combination in between.

Thank you for your feedback.

Review by Anonymous

Reviewed 11/11/2021
by Anonymous
Cycling Enthusiast
LA
Value Rating
Overall Rating
Great cassette

I'm glad they had this in stock. Ultegra cassettes make that pro noise!

Thank you for your feedback.

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