11 Best Seat Posts To Buy In 2021


A cycle seat post is a tube with shock absorption capabilities and attaches the saddle to the bike by slipping into the seat tube. Casual riders do not commonly use seat posts, but they can make all the difference in the riding experience for seasoned cyclists and pros. Right from damping to deflection, seat posts help reduce the vibrations and control the impact of bumps and other hurdles on the road.

In this post, we will look at some of the best seat posts and things you need to keep in mind before buying one.

11 Best Seat Posts

1. SR Suntour Unisex SP12-NCX Seat Posts

SR Suntour Unisex SP12-NCX Seat Posts

This bike seat post from SR Suntour comes with a brass bushing parallelogram system with sturdy alloy arms. It can withstand a rider weight of 60-100kg, making it ideal for riders with lean and athletic bodies. You have the option of choosing from a hard or soft spring. This seat post is ideal for all bikes and all road sports. The black seat post is 350mm long and is easy to install. It can be a great pick for riders who want to minimize the impact of bumps while riding.

2. Upanbike Aluminum Alloy Bike Seat Post

Upanbike Aluminum Alloy Bike Seat Post

This road bike seat post features 6061 aluminum alloy, which makes it quite strong and durable for extreme environments. It is compatible with most old-style bikes and comes with a safe marker. The seat post can be easily installed – all you have to do is connect it to the saddle. The saddle height can also be raised with this seat post if you want a forward-leaning riding position. The package does not include a saddle clamp, so you can purchase it separately or use one from your old bike.

3. Fomtor Bicycle Seat Post

Fomtor Bicycle Seat Post

Made of high-quality 6061 aluminum alloy, this seat post is light in weight and comes with a rust-free design. The bar can bear a maximum load of 580lb with its strength of 4.9 levels. It is equipped with an adjustable head for easy installation, and the seat angle can be adjusted as per your comfort. Do measure the frame tube’s inner diameter before ordering the seat post, which has a diameter of 25.4 mm.

4. CYSKY Seat post

CYSKY Seat post

The seat post from CYSKY features a lightweight and rust-free body. It is made of a strong 6061 T6 aluminum alloy that gives excellent durability. With strength at 4.9 levels, it can withstand a weight of 580lb. It has an adjustable head, and the installation process is easy and swift. The body has a nice frosting finish, and the tube length can be adjusted up to 320 mm.

5. Zukka Bike Seat Post Aluminum Alloy Bicycle Seat Post

Zukka Bike Seat Post Aluminum Alloy Bicycle Seat Post

The Zukka seat post for bikes is made of aluminum alloy, making it lightweight and durable. The anodized finish on the body and the visible safety line markings on the seat post indicate quality workmanship. With an easy installation process, it won’t take you long to set it up and enjoy long, smooth rides on your bicycle. Make sure you measure the diameter before purchasing this product. The saddle clamp has to be purchased separately if needed.

6. EC90 Full Carbon Fiber Bike Seat Post

EC90 Full Carbon Fiber Bike Seat Post

The EC90 bicycle seat post for bikes is made of high-strength carbon and aluminum alloy material. With its excellent shockproof property, it offers a comfortable riding experience for hours. The sturdy design of this bike seat post makes up for the shortcomings in the cycle, such as a smaller frame, to meet riders’ height requirements and improve maneuverability.

7. Upanbike 13.8 inch Bike Bicycle Aluminum Alloy Seat Post

Upanbike 13.8 inch Bike Bicycle Aluminum Alloy Seat Post

Made of aluminum alloy 6061 T6 material, this bike seat post comes with a micro-adjustable clamp that can be used to adjust the saddle’s tilt angle. The diameter of the tube is 25.4 mm, and the length is 350 mm. It fits most bicycles, including mountain bikes, road bikes, and other versatile bikes.

8. Corki Bike Seat Post

Corki Bike Seat Post

The seat post for bikes from Corki is made of aluminum alloy and available in a matte black shade. The 7075 aluminum alloy material ensures the seat post remains light in weight and free of rust. With 4.9 levels of strength capacity, it can handle a maximum weight of 580lb. This seat post weighs just 102 g and is compatible with all mountain bikes.

9. Satori Harmony Bike Bicycle Suspension Seat post

Satori Harmony Bike Bicycle Suspension Seat post

The Harmony seat post for bikes comes from Satori, a leading supplier of bicycle accessories. The seat post comes with a standard clamp design with two safety bolts. The product is made of forged aluminum 6061 material, which makes it durable and rust-proof. The suspension seat post weighs a bit on the higher side and measures 27.2 x 350 mm.

10. Thinvik Aluminum Alloy Bike Seat Post

Thinvik Aluminum Alloy Bike Seat Post

This bike seat post is crafted from aluminum 6061 material, making it strong and durable. It has clear and visible safe line markings to help you install it perfectly above the safety line.  The tube is 350 mm in length and measures 25.4 mm in diameter and 3 mm in thickness. It is suitable for most old-fashioned bikes and can be installed using a saddle clamp, which you have to buy separately.

11. Fito Bicycle Suspension Seat Post

Fito Bicycle Suspension Seat Post

The Fito seat post is made of aluminum alloy, which makes it sturdy and durable. It is also rust-proof and has built-in suspension for shock absorption, making it suitable for BMX bikes, beach bikes, mountain bikes, and even tandem bikes. The post has a standard length of 350 mm and a diameter of 27.2 mm.

How To Choose The Right Seat Posts?

These days, seat posts have a D-shaped design, instead of a round shape, to offer better comfort and aerodynamics. Besides the design, here are a few things to keep in mind when shopping for a bicycle seat post online.

  • Material: The material used for making seat posts could be carbon fiber or aluminum, which is the most popular option. Some are made of titanium as well. Carbon fiber seat posts are lightweight and durable, making them a bit expensive compared to aluminum posts. It also dampens more vibration and aids in absorbing shocks and ensuring a smooth ride.
  • Size: Road bikes usually have a 31.6 mm or 27.2 mm post. In some cases, the seat post can be as narrow as 25.4 mm. A post with lesser diameter offers better flex and a comfortable ride, while one with a larger diameter gives stiffness for extra power transfer.

The insertion length is another factor you must keep in mind, especially if you have long legs and need a good seat height. Alternatively, if you are short, make sure the seat post isn’t too long.

  • Saddle rail clamp: A two-rail system is common in most road bikes, but not all will match all seat posts. Alloy-railed saddles have 7 mm round rails, while carbon-railed saddles have oval rails measuring 7 x 9 mm. Choose one that is suitable for your bike.
  • Setback and layback: Setback is the degree at which the seat clamp lies behind a straight seat post, while layback seat posts have a bend. Manufacturers usually make lay forward posts, which help achieve an aggressive position.

If you are new to cycling and only stumbled upon the use of seat posts for smooth riding on rocky or bumpy terrain, use the tips above to pick a suitable seat post that fits your bike. Our list features a variety of seat posts that you can pick from. To better understand the product’s usability and quality, check the reviews too.

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