Best Bike Seat Post in 2020: Top 10 Seatposts

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You’ve got to get the best bike seat post if you’re really serious about biking. A quality seat post makes your journey more comfortable without the hassles and complications that come with the sliding bits or mechanical pivots.

The seat post, also known as saddle pole, saddle pillar, or seat pin, refers to that tube that extends towards the saddle coming from the bike’s frame. Usually, bicycles come with triangulated tube posts that make them resistant to the constant movements.

When buying a seat post for your bike, you’ll come across a number of options. But which of these will actually work best for you? How do they differ from one another?

In this post, we’ll talk more about bike seat posts and recommend the best ones available in the market.

Best Bike Seat Post Reviews

We’ve narrowed down a list of the best road bike seat posts to buy to help you save time when shopping.

1. Cane Creek 3G Thudbuster Long Travel Seatpost

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First on our list is the 3G Thudbuster Long Travel Seatpost from Cane Creek. We like that this product is uniquely designed to provide the smoothest suspension performance. Sure, it’s a little bit on the expensive side, but you’re actually paying for the performance, which is definitely superb.

This seat post is integrated with two parallelogram linkages instead of the usual telescopic shaft. Thus, it goes down in a backward motion when you cycle. It’s designed in such a way that it mimics the natural movement of your body, while also absorbing bumps along the way.

Aside from offering a more natural motion, this seat post significantly reduces the distance during a shift from the pelvis to pedal. Therefore, it won’t have a significant effect on the pedaling rhythm. Furthermore, this seat post allows the bike to go up and move forward when passing along bumps.

On your first use, the overall feel of this bike post’s suspension might feel weird, and you’ll feel like having an extremely soft rear tire. However, you should be able to eventually adapt to it.

  • Wide range of uses
  • Extremely durable
  • Available in two colors and many sizes
  • Features a patented parallel-linkage technology
  • Tunability is very versatile
  • None

2. RockShox Reverb AXS Dropper Seatpost

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Another model that we find very impressive in this list of the best road bike seat posts is the RockShox Reverb AXS Dropper Seatpost.

It’s clear that the company has given this seat post an impressive overhaul both outside and inside. This product is an upgraded version of their previous models and comes with the latest longer friction-floating piston.

Manufactured in the US, this seat post utilizes new grease and lower friction oil that they claim will degrade very slowly. This won’t only improve the smoothness of the seat post but also help boost the overall service interval, which is from 200 hours to a whopping 600 hours, and that’s pretty impressive!

The seat post’s head has been upgraded and is now utilizing the single bolt to attach into the saddle rails. This method works really well, especially during landings that are heavy-seated. Don’t be put off by the expensive price. This seat post is truly worth it and is one of the best bike seat posts for serious bikers.

  • Can be set up very easily
  • Works well with AXS wireless drivetrain
  • Very responsive
  • 0mm offset
  • You won’t be able to differentiate the wireless dropper from the cable dropper
  • None

3. Full Speed Ahead Flowtron Dropper Post

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It seems that Full Speed Ahead (FSA) has learned a lesson from their previous dropper. In order to provide decent seat post performance at a reasonable price, they came up with the Flowtron Dropper Post.

Some of the most significant changes include using an alloy for the internal cartridge instead of the steel. The overall length of this post is shorter compared to the previous models, although the 470mm length is still taller than the average.

Equipped with three round shaped keys instead of two flat keys, this bike seat post won’t generate lots of wobbles like the previous ones.

Setting up this seat post isn’t that complicated now since the cable has been clamped at the end of the lever. The cable feeds into a cam roller made of plastic in order to press the actuator, resulting in a smooth and less spongy feel. You have the option to slacken or tighten the roller spring, depending on what you prefer.

  • Comes with the industry’s first adjustable spring tension
  • The level feel and force can be customized
  • Fully featured options
  • Affordable price
  • Lightweight alloy cartridge
  • None

4. SDG Components Tellis Dropper Seatpost

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If you’re a seasoned biker, then you’re probably familiar with the SDG brand. It’s a big name in the mountain bike industry and is known for making the best saddles. Thus, we believe that the SDG Components Tellis Dropper Seatpost truly deserves to be on this list.

SDG offers this post in two length options – 150mm and 125mm. Both lengths are also available in 31.6mm and 30.9mm diameters. As for its under-bar level, it weighs 36 grams. Complete with cables, this seat post is truly competitive.

Its shaft is anodized and has markings for the length and width. Furthermore, the cable’s end has a plastic housing that offers it some protection.

The cable is clamped at the bar’s lever and a nipple can be found at the post’s base. Its head has a depth of 50mm and utilizes two bolts to secure the saddle.

  • Easy to set up
  • Reliable features
  • Available in many sizes
  • Lever has a very light feel
  • Non-adjustable lever
  • Allen key access needs improvement

5. Magura USA Vyron Elect Dropper Seatpost

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What makes the Magura USA Vyron Elect Dropper Seatpost stand out from the rest is its completely wireless technology. For those who tend to pack up their bikes regularly or those whose bike frame doesn’t have an internal dropper post, this would be a great choice.

This seat post comes with an arrow button in order to control the fork and shock, which is a truly nice addition just in case you want to swap the suspension units of your bike to the unit that’s electronically controlled by Magura. 

To minimize any confusion in having to look for the small dropper button, this seat post is equipped with a snap-on cover. Even if you’re ham-fisted, tapping the proper dropper button should be a breeze.

Any biker who has tried installing and removing the routed dropper is aware of the hassle that comes with this task. You’ll have to make sure the housing and cable length is correct, adjust the cable tension, and snake the housing into the bike’s frame, which can take a really long time. But with this seat post, the installation is simple!

  • Diameter is 30.9mm or 31.6mm
  • Length is available in three options – 396mm, 421mm, 446mm
  • Made from aluminum
  • Offset is at 0mm
  • None

6. Crankbrothers Highline Dropper Seatpost

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When it comes to long-distance travel, the Crankbrothers Highline Dropper is a suitable choice. Although the process of setting this thing up requires a lot of patience, you’ll certainly appreciate this seat post, especially during long journeys.

What makes the installation a bit complicated is in balancing the outer and inner cable tension plus the instructions aren’t that clear. But once you’re done setting up, you’ll enjoy your bike’s smooth action, thanks to this seat post. You could experience a slightly rational play, however, those who have tried this have no problems with sagging while they cycle.

This seat post features a sealed cartridge look, which means that aside from the infrequent lube, not much is required in order to keep the seat post to run smoothly. We believe that this seat post from Crankbrothers is truly one of the best. You can mount it easily on the saddle plus it has a low-stack height.

  • Available in three different sizes
  • Can precisely fit all cockpits
  • Comes with the exclusive 2-bolt quick-release design
  • Features a durable aluminum construction
  • Comes with a full internal-only routing
  • Doesn’t return to position easily

7. Bike Yoke Revive Dropper Seatpost

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The Revive Dropper Seatpost from Bike Yoke is a perfect fit for most bikers, offering you a 31.6mm or 30.9mm seat tube. Despite having a long stroke, the post’s low-profile head and collar make it a great choice for bikes with smaller frames.

Another good thing about this seat post is that it doesn’t come with the internal floating piston. This is a great thing because this is usually the number one source of problems with other droppers.

If the air enters where it shouldn’t and trigger the post to bounce, rotating the bolt of the Allen key can easily reset its system.

This is such a nice feature, something they call “revive valve.” This seat post is impressively smooth and will go back quickly to its full height.

  • Available in two diameters – 30.9mm and 31.6mm
  • Length can be set at 39mm and 467mm
  • Made of aluminum
  • 0mm offset
  • The remote doesn’t come with a pre-drilled hole

8. KS LEV CI Carbon Dropper Seatpost

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Available in 175mm and 65mm, the KS LEV CI Carbon Dropper Seatpost utilizes the uni-directional carbon fiber in order to save on weight.

Since the cable of this post will be clamped at the post’s end instead of the usual lever end, this seat post should work with other posts as well, such as the Fox Transfer. But on one review, a user complained that the titanium bolts on the head snap off, although they can be replaced with the M6 brake caliper bolts.

But some customers have pointed out that this seat post performs extremely well even after two months of regular use. It has a smooth action and won’t sag when in full height, which is a common problem in other seat posts, such as the Reverb.

  • Made of carbon mast and aluminum clamp
  • Three diameter options – 27.2mm, 30.9mm, and 31.6mm
  • Zero offset
  • You can micro adjust it
  • Special seat collar
  • None

9. PRO Koryak Adjustable Seatpost

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Instead of coming up with a new design to upgrade its first dropper, the PRO Koryak Adjustable Seatpost utilizes a combination of remote and post components that other brands are known for. This results in a relatively light and affordable seat post available in two diameters – 30.9 mm and 31.6mm.

The seat post’s single bolt clamp must first require some tightening in order to prevent the saddle from tipping over. However, there’s only minimal wobble in both the remote lever and head, even after using this seat post for a few months.

Although the post’s return speed is steady, it comes with a distinct clunk that will let you if it’s already fully extended. It won’t slow down even in low temperatures. Of course, it’s going to stop anywhere in its stroke although the 120mm extension may not be enough for most frames.

  • Made of alloy
  • Available in two diameters – 30.9 mm and 31.6 mm
  • Length is 400mm
  • Clean internal routing
  • Doesn’t always go back to the top position

10. Funn Updown Dropper Seatpost with CNC Remote Lever 

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The Funn Updown Dropper Seatpost is somewhat heavy, which is similar to other cheap posts. However, it stops wherever you want it to. It comes with a 125mm stroke that should be more than enough for most riders and is available in two sizes – 30.9mm and 31.6mm.

Featuring a neatly designed remote lever that sits under the bar on any of the sides, this is tall enough for the Shimano shifters. It features a hinged clamp and that means you’ll be able to install it without any issue.

Although this unit thoughtfully offers 4 frame clips as well as O-rings for clean routing, the post’s rear-facing mechanism is exposed to the crud flying off the bike’s back wheel.

  • Huge improvement from the previous dropper posts
  • Comes with internal cable routing
  • Excellent value
  • Ergonomic lever with all-round reliability
  • Installation is a breeze
  • None

How to Choose the Best Bike Seat Post

best road bike seat post

When attaching the seat post into your bike, you’ll have to slip it into the tube that’s connected to your bike’s saddle. Although most of them look almost the same, they differ from each other in certain aspects.

Here are some of the most important things you need to take into consideration when looking for the best road bike seat post.

The material of the Seat Post

Seat posts are usually made from carbon or aluminum material. Most of the road bikes have aluminum posts, however, this could cost you around $2,000.

Nevertheless, it’s worth investing in because aluminum is truly reliable. On the other hand, seat posts made of carbon are effective at minimizing road vibrations. They are also lighter compared to aluminum.

As for minimizing vibrations, manufacturers have undergone several steps in order to accomplish this. First, they use thin seat stays. Secondly, they place the seat post clamp much lower so that the seat post is more exposed. This also allows for more flexibility, which also helps minimize vibration.

And finally, they have made the seat post narrower. Of course, using the carbon material has also helped to make this possible.

Adjustment of Saddle

Seat posts are clamped into the saddle in different ways, depending on the type of seat post that you’re going to buy.

They have different ways of making the saddle to go down slightly or stay flat. Certain clamps are much easier to use although others are a bit more complicated and might just make you feel frustrated in the end.

Therefore, make sure you understand how the clamps work before buying the best road bike seat post.


Sometimes, seat posts have zero offsets, but others also have layback. Seat posts that have zero offsets usually have the saddle directly on top of the clamp, although it’s also possible to adjust it back and forth.

On the other hand, layback seat post slopes appear slightly backward and the saddle is attached further back. If you’re having difficulty getting your knee to stay in an upright position, then the zero offset might be a better option.


Most bicycle models are able to accommodate seat posts that are around 31.6mm or 27.2mm in diameter. There are skinnier seat posts although they are a rarity.

It’s because skinny seat posts aren’t able to provide better flex, which means they won’t do much in terms of comfort. Understandably, you need to choose a seat post that could fit into your frame. Therefore, double-check your bike’s specs before you head out to buy.

As for the length, you’ll find that these posts come in varying lengths. They usually come with markers that will display the smallest size that can fit into the tube.

If your bike has a smaller frame, then you need to make sure the seat post you’re buying could fit into the frame.

Aerodynamic Seat Posts

Aerodynamic seat posts are those that are used for aero road bikes. These seat posts are usually flatter and are designed to seamlessly channel more air and minimize any resistance that could slow you down.

However, rear lights could become a problem when using an aero seat post, although some brands are now offering adaptors that can accommodate the shape.

If you prefer getting an aero seat post, one thing you’ll notice is that it usually has a special shape. Thus, upgrading can be a bit complicated.

What is a Bike Seat Post?

bike seatpost

A bike seat post is a type of tube that extends towards the saddle coming from the bike’s frame. It’s possible to adjust how much the seat post can extend outside of the bike’s frame.

Usually, there’s a mark that will indicate the maximum and minimum amount of insertion that the seat post is capable of.

Attaching the Bike Seat Post

Most seat posts are attached to the bike in the same way. Usually, they are connected to the main frame and then inserted into the tube of the seat. Therefore, the tube should have a slightly bigger diameter in order to allow for the seat post to attach to it.

The seat post is then secured by clasping the tube’s top with the help of a tightening ring. This will reduce the diameter of the post but only temporarily until the tube is able to firmly hug the area of the post, which leaves the frame.

There’s a pinch bolt that’s usually built into the bike’s frame to accommodate the seat post. It’s also possible to purchase a seat post clamp separately. However, it must be sized well in order to fit into the tube’s diameter. Whether it’s separated or integrated, the bolt may come in the form of a simple nut.

Sometimes, it’s a type of Allen bolt or in some cases, it can come with a quick-release system and a handle is attached that will release the clam without the need to use any tools.

Dropper Seat Posts for Mountain Bikers

Most mountain bikers prefer dropper seat posts. This is because mountain biking requires the rider to move around the bike.

Thus, dropping the saddle will give the biker more space to go behind the seat during steep sections.

Every mountain biker knows that being able to gain a stand over is important for mountain biking. As a matter of fact, cyclocross riders and gravel riders now prefer the added control that this seat post can bring.

Final Thoughts

If you really want to enjoy extreme comfort when riding your bike, then you should spend your money on the best bike seat post in this list, which is the Cane Creek 3G Thudbuster Long Travel Seatpost.

This seat post is truly superb. It has a lower friction internal piston and uses a single bolt to clamp the saddle rails in place. Sure, this seat post comes at a price, but any biker will tell you that it’s truly worth your hard-earned money!

David Miller

My name is David and I have been an outdoor guy for as long as I can remember. I have a strong passion for the great outdoors in general and specifically camping. I am the kind of person who spends more time outdoors than indoors. I am a staunch believer in the fact that outdoor life should be well lived because it's in the natural, serene, and untamed wild that we find out who we truly are. Let’s take the journey together.

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