Best Seat Post [Review] in 2021
written by Cycle expert Alex Bristol
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With the demand for bicycles on the rise, consumers nowadays are concerned about the comfort and versatility of their bikes and its components. One of these components is the seat posts, which are tubes that connect the frame of the bike to the saddle and play a major role in shaping the biking experience for the rider.
Seat posts are highly customizable components that vary in size, diameter, shape and weight. Their length can be adjusted for different terrain types or riding styles to improve the rider’s control over the bike. While purchasing a seat post, consumers should look for the absolute best option as it’s constantly in contact with the rider and can improve the experience significantly.
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Best Seat Posts
TranzX JD-YSP15 Dropper Seat post
The JD-YSP15 dropper is brought to you by TranzX, an industry leader and well known for its superior design and quality. The dropper is an excellent adjustable seat post which hosts the state–of–the–art pressure actuation mechanism. Adjust your seat easily and conveniently to any terrain using the stealth internal routing and micro adjustments option. The technology being offered by the dropper is reliable and the most robust you’ll find on the market. Consumers using the dropper are amazed by the versatility it brings to their day to day adventures. Overall, it’s safe to say that in terms of practicality the JD-YSP15 has no match.
- Remote actuated dropper post
- Clean look
- Available in 3 lengths
- Lever is not included
Latest deal: TranzX Dropper Seat post
Trek Pavement Suspension Seat post
The trek Pavement suspension seat post is an inexpensive, quality gadget offering the maximum value for your money. The all new black color and the smooth finish of the pavement seat post will definitely catch your eye. Build wise the pavement hosts a durable and robust aluminum body with the ideal 27 mm diameter to meet your needs perfectly. Furthermore, the seat post is equipped with brand new universal rail compatibility option to ensure easy installation and durability to all its consumers. This compatible, highly affordable gadget can make a huge difference in the life of an avid biker looking for a change of parts or more versatile seat post options.
- Premium Construction
- Extremely affordable
- Universal compatibility
- Easy to install
- Shorter than average seat posts
Latest deal: Trek Seat post
Nuke-proof Neutron Inline Seat post
The Nuke–proof Neutron Inline is a top tier seat post offering maximum strength and durability at a very minimal price. The Neutron has been constructed with premium quality 3D forged aluminum, with the head and shaft joint together as one piece for extra stability. It weighs at only 275 grams making the bike control easier while riding. In addition to all this the Neutron is shipped with a set of perfect rail clamps which offer infinite adjustments to help you set the saddle perfectly. Overall, the Neutron Inline is a solid seat post and will work perfectly for both race and mountain bikes.
- Forged Aluminum
- Infinite saddle adjustments
- Light weight
Latest deal: Nuke–proof Seat post
RockShox Reverb AXS Dropper Seat post
Manufactured by RockShox, the Reverb AXS is a technological marvel and top of the line product, designed especially for your comfort. The Reverb is a super light and durable seat post with state–of–the–art wireless technology. The Reverb hosts the IFP technology for faster and more accurate actuation of the post using less force and this is coupled with the Vent Valve disassembly feature making it one the most reliable options in the market. Finally, customers also get the option to customize its movement via the AXS mobile app, making it an extremely handy gadget, perfect to meet your riding style.
- Lower friction IFP technology
- AXS mobile app feature
- Remote included
Latest deal: RockShox Dropper Seat post
Brand-X Layback 6061 Seatpost
Presented to you by Brand-X, the all new Layback 6061 is one of the most inexpensive high–quality product out there. The Layback is a great budget option for everyday riders looking for a change and improvement in comfort and durability. The 6061 packs the 2-bolt clamp head mechanism that makes the process of saddle adjustment and installation extremely easy and further assists in finding the accurate angle for a delightful riding experience. Furthermore, the Layback has been constructed in various sizes to suit relevant frames of different bike types. Overall, the product offers maximum value for money with its anodized finish and affordable price tag.
- Stiff and robust construction
- Micro adjustable 2 bolt clamp
- Markings on the product
- Simple and easy to use
- Limited Functionality
Latest deal: Brand-X Seatpost
Thomson Elite InLine Seat post
Introduced by the leading brand Thompson, the Elite Inline seat post is setting the standards for all other seat posts is terms of strength and durability. The Elite is designed using 7000 series aluminum and is found to be 40 % stronger than any other contender on the market. The Elite Inline is extremely handy in terms of size and still has double the fatigue life of any other product. The credit for this extreme strength goes to the superior build consisting of clamps, head and tube which are strong enough to withstand 350–foot lbs of torque with ease. Overall the Elite Inline is the most durable product on the market, engineered especially provide comfort and stability at the same time.
- 40 % Stronger
- Withstand 350-lbs of torque
- Easily Adjustable
- Low profile clamps
Latest deal: Thomson Seat post
Kalloy Uno 602 Seat post
The Uno 603 by Kalloy is a decent seat post available as a very affordable price tag. The Uno 602 is made up of a single piece of premium quality steel with a smooth and elegant finish. The 602 can be used with both race and mountain bikes and expected to work perfectly well with both. The Uno hosts a 26.8 to 350 mm body size and can easily be connected to your saddle with multiple adjustments options, making it a highly affective product is terms of regular usage. Lastly, the Uno offers premium value with the durable finish, the versatile design and practicality of application.
- Premium Steel Body
- Robust and durable
- Easy to Install
- Limited Functionality
Latest deal: Kalloy Uno 602 Seat post
Deda RS EL Seat post
The Deda RS EL is a noteworthy contended in the world of bike seat posts with its stable build and top–notch design. The RS EL has a premium build with the smooth and soft black finish around the bar. The RS looks and feels sturdy and reliable with the dual bolt locking mechanism in the clamp. The clamp can smoothly connect to the saddle using the bolts and it ensures the road vibrations are minimized to provide greater comfort and confidence while riding. Overall, the RS EL is a good–looking product with a minimal price tag and lower body weight to make your ride smoother and faster on the tracks.
- Reliable build
- Good looking product
- Wide compatibility Range
- Low price
- Limited adjustment options
Latest deal: Deda RS EL Seat post
Brand-X Ascend XL Dropper Seat post (170 & 200mm)
Brand-X has always been known as the brand you can completely rely on, and they’re definitely living up to that image with their all-powerful Ascend XL dropper seat post. The ergonomic design and the longer travel offer greater functionality and a more convenient riding experience, especially to long-legged riders. The Ascend XL offers superior performance with its paddle styled remote for smooth saddle adjustments and the linkage mechanism for less pull which collectively amplify the overall experience. Consistent performance is Ascends forte as the aluminum design, hard anodized finish, 1x chain ring transmission and the excellent price point in currently unmatched by any other product.
- Paddle style remote
- Anodized aluminum body
- Greater scope of adjustment
- 2–year warrant
- Remote might need replacing
Latest deal: Brand-X Seat post
Cinelli Vai Seat post
The Vai by Cinelli is a beautifully constructed seat post, with a premium quality build and a stylish 350 mm long frame. The Vai is manufactured using top of the line 3D forged 7075 aluminum for durability, strength and agility. It features a 15 mm offset and 2 bolt securing system in the alloy clamp, which allows it to comfortably adjust with the saddle and offer more accurate angle adjustments. The Vai weighs at just 298 grams and shows incredible strength despite the compact size. The product overall, can adjust to all kinds of bikes and can improve your biking experience significantly.
- 3D Forged Aluminum
- Dual bolt secure system
- Attractive price
- Easy to use
- Not 100% rust proof
Latest deal: Cinelli Vai Seat post
Origin8 Pro-Fit Alloy Seat Post
Origin8 pro-fit alloy seat is a highly customizable, superior quality product available in multiple diameters and colors. The pro-fit hosts a forged alloy shaft offering durability and stability while the clamps are designed to swiftly adjust to the saddle with ease. The frame is pleasing to the eye with its anodized finish and premium color. The distinguishing feature of the pro-fit is extra-long 400 mm body length, which offers greater versatility and range to the experienced riders, making it a valued purchase for them.
- Forged alloy shift
- Laser etched graphics
- Extra-long frame
- No markings to indicate angle
Latest deal: Origin8 Alloy Seat Post
Best Seat Post Buyers Guide
What to look for while buying a seat post?
Price: Like other major bike parts, seat posts are also available at a range of prices. A good quality basic model should be available for 30 to 50 dollars while higher quality premium ones cost around 100 bucks. The more expensive option are the ones with advanced lightweight materials, dropper features or premium suspension and they can cost somewhere in between 200 and 400 dollars.
Quality: More expensive seat posts offer better features such as droppers, automatic adjustments, 3D aluminum build and anodized finish. These features make the product more robust, good looking and offer better customization option. The required quality is dependent on the rider and his expectations from the bike. Many features might be not so useful for many users so it’s better to buy a product that suits your needs.
Length: Bike riders should take extra care while choosing the product in terms of length and diameter. A shorter seat post in lighter in weight but it offers less adjustment options while a longer seat post is more adjustable especially while during cross country rides and mountainous terrains.
Frequently asked Questions
What seat post size should I get?
Seat post diameters are generally between 22 mm and 35 mm while the average seat post length being at around 27.2 mm.
Are suspension seat posts any good?
Suspension seat posts offer greater comfort as they can help absorb impacts from the ground, making the ride smoother and causing less fatigue.
What length seat post do I need?
The length for seat posts varies between 75mm and 430 mm depending on personal preference and bike type. Generally, the post should be 150 mm inside the seat tube when adjusted, and that should give you a rough idea of the length you should get.
Regular bikers enjoy customizing their bikes and seat posts are generally changed, either due to excessive use or for additional features. Numerous seat posts were a part of the discussion above, with most of them offering quality features, stable frames and durable build for a very affordable price.
The most important features as discussed above are the durability and length of seat post as the frame absorbs most of the shocks to make sure that the ride is comfortable. Other important areas included the weight and the ease of adjustment options. The weight is very relevant as it can change the weight distribution of the bike affecting your performance on the track. The adjustment mechanism should be smooth so that the optimum angle could be easily found and adjusted as per the need of the rider.
In conclusion, bike seat posts could either improve or negatively affect the performance, speed and durability of both the ride and the rider, making it an immensely important customization. Rider must first understand their needs and research thoroughly to find the product most suitable to their needs.
Content Manager at Pedallers
Alex is a cycling expert at and focuses on reviewing bikes, accessories, and general cycling. He searches for the most up to date products that match the needs of cyclists across the world. Whether it's recent news or the best bike set-ups, Alex is a trusted source for anything around cycling.