Best City Bike Seat Posts in 2026

【PAY ATTENTION】Please do measure the actual required diameter before purchasing. Saddle clamp is not included, please buy the saddle clamp separately if needed.

【MATERIAL】Seatpost made of 6061 aluminum alloy,strong and durable.

【SIZE】Length:350mm;Diameter:25.4mm 27.2mm 28.6mm 31.6mm;Thickness of the tube:3mm.

【PAY ATTENTION】Please do measure the actual required diameter before purchasing. Saddle clamp is not included, please buy the saddle clamp separately if needed.

【SIZE】Length: 350 mm; Diameter: 27.2mm; Thickness of the tube: 2 mm. Weight：6.6 ounces. Color: Black.

【MATERIAL】 Seatpost made of aluminum alloy,light weight and durable.Polished anodized finish, never rust.

✅ LONG-LASTING MATERIAL - The seat post made of 6061 aluminum is extremely break-resistant and durable. This makes the seat tube perfect for your city bike, women's bike and men's bike.

✅ EASY ASSEMBLY - Through the printed scale you know exactly how deep you may push the seatpost maximum. ATTENTION: Please buy seat clamp separately, this is not included.

✅ NOTE - Please make sure which diameter is right for your bike before you buy. In the product images is a picture and a video deposited to make it as easy as possible for you.

Spring Coil Suspension: Build-in spring coil and damper rubber absorb the vibration while riding, the seat post comfort your riding experience, improve the shocks. Rebound force adjustable by tighten or loose the bottom screw. Suspension travel 42mm/ 1.65inch.

★Pay Attention to Diameter Before Buy★ . Wrong diameter will not able to install, 27.2mm/28.6mm/30mm/30.4/30.9/31.6/33.9 they are different and not exchangeable. You can see your seatpost diameter if you take out it from the bike frame.

Clamp Angle Adjustable: Saddle clamp angle can adjust in -5 degree to +18 degree. Clamp offset 14mm.

Material: bike Seatpost shim is made of high quality 6061 aluminum alloy, CNC machining CD texture surface ,anti-rust and durable

Feature:Use this bike post shim, 27.2 ID Seat Post shim can be converted to 31.6 mountain bike seat post, bike seatpost adapter shim can help you change the bicycle seat tube outer diameter to meet your needs

Size: 31.6 to 27.2 seat post shims. Length: 100mm.

Made of High quality 6061 aluminium alloy.Light weight(0.68lb only),never rust and never bend.Strength: 4.9 levels ultra high strength, maxium of 580lbs.

This 400mm long seatpost will help you to get better ride height on a relatively low bicycle.With adjustable head, convenient to install.Seat angle is adjustable.

Suitable for most Mountain bikes, Road bikes, Folding bikes, Downhill bike, Track bike, MTB, BMX, DH, etc.

Mountain Bike Seatpost Size: 27.2mm/30.9mm/31.6mm,Total length: 400mm.

Pay Attention to Choose Correct Diameter Size:Take out your current seatpost, the diameter marked on it’s lower area. Then buy same size from the option.

Material:Forged aluminum alloy 6061 T6.

【Universal Fit】Suitable for most bike,such as fixed gear bicycle, mountain bikes,Road bikes, track bike, MTB, BMX.

【Superb Material】Seatpost made of 6061 aluminum alloy,strong and durable.

【Important Note】There is a safe line mark on the seat post. Please insert at least above the minimum safety line.Please do measure the actual required diameter before purchasing.(How to choose the right size, please refer to Figure 5) Saddle clamp is not included, please buy the saddle clamp separately if needed.

Diameter:27.2mm.Length:350mm.Setback: 20mm. Adjust tube length of 0 to 320mm.

Made of High quality 6061 aluminium alloy.Light weight,never rust.Strength: 4.9 levels ultra high strength, maxium of 580lbs.

How to Choose the Size:1.Check the diameter of the original seatpost,choose the same size as the original diameter.2.Measure the inside diameter of the frame tube.

PAY ATTENTION:Please measure and confirm the exact post diameter required for your bike.

MATERIAL: Made of 6061 aluminum alloy, Lightweight strong and durable.Comes anodized in Black, Blue,Red and Silver,colorfast surface,great anti-corrosion

SIZE: Diameter: 25.4/27.2/28.6/30.8/31.6mm; Length:350mm;

🚴‍♂️ PAY ATTENTION: Please do measure the actual required diameter before purchasing. Saddle clamp is not included, please purchase the saddle clamp separately if needed

🚴‍♂️ MATERIAL: The seatpost is made of 6061 aluminum alloy, high strength, strong and durable, good corrosion resistance

🚴‍♂️ SIZE: Length: 350mm; Diameter: 25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm; Thickness: 2mm

✅ SIZE - Length: 13.8" (350 mm); Diameter: 25.4mm/27.2mm/28.6mm/30.4mm/30.8mm/31.6mm; Thickness of the tube: 0.08" (2 mm)

✅ MATERIAL - Bike seatpost made of 6061 aluminum alloy, light weight and durable. Polished anodized finish, never rust

✅ EASY TO INSTALL - Just unbolt your old seat and remove your seat post then bolt on your seat to your new seat post and install it into your bike frame

Spring Coil Suspension & Reduce Bump Impact: Build-in spring coil and damper rubber absorb the vibration while riding, the seat post comfort your riding experience, improve the shocks and pain immediately. Rebound force adjustable by tighten or loose the bottom screw. Pay Attention to Choose Correct Diameter Size to avoid mistake and save your time. Different size is not compatible.

Rebound Force Adjustable & Clamp Angle Adjustable: You can adjust the bottom screw to change the spring rebound force fit to your weight to get best riding experience. Saddle clamp angle can adjust in -5 degree to +18 degree. 2 bolts hold the clamp, enhance safe and easy to install.

Multi Diameter & Colors: We offer 27.2mm, 31.6mm diameters. 3 different colors, black clamp - black body, red clamp -black body, silver head - silver body..

Pay Attention: Please do measure and confirm the actual required diameter you need before purchasing, otherwise you will find it too small or too big for your bike and waste your time to return it. Saddle clamp is NOT included.

Bike Seat Post Size: Length: 350mm/ 13.8 inch, Outer Diameter 25.4mm / 1 inch, Thickness of the tube: 2mm/ 0.08 inch, Color: black.

Material: The bicycle seat tube saddle pole is made of aluminum alloy, durable and stronger inside design will improve the load-bearing of seat post.

[Friendly Tips]:1> This suspension 27.2 seat post is designed to absorb the shocks from the road suck as hitting a pothole ,it is not for making the ride like sitting on a limousine ,If you need more comfortable riding,please consider advanced remoted control or hydraulic seat post.2> Seatpost clamp is not included

[Specification]:Material: 6061 Aluminum alloy barrel& Steel Mount, durable.Seatpost Clamp Mount Diameter: 22.2mm(O.D.).Length: 350mm.Diameter:27.2mm(real outder diameter ,no adapter)

[Damping type]:Built-in Coil Spring Suspension, Travel: 40mm adjustable preload suspension travel.Tube Thickness: 3 mm.Weight: Approx 458g(27.2mm)

Lighweight Alluminium alloy tube

diameter:27.2mm

300 mm in length

【MATERIAL】: Made of 6061 aluminum alloy, Lightweight strong and durable.Polished anodized finish, never rust.

【SIZE】: Length:350mm; Diameter:25.4mm/27.2mm/28.6mm/31.6mm; Thickness of the tube: 3mm.

【USE&FIT】: Seatpost used for most MTB mountain road bicycle, fixed gear bike, downhill bike, track bike etc. it is easy to instal.

HIGH QUALITY: Made of high-quality aluminum alloy, high strength and light weight; anodizing process, not easy to rust, not easy to paint off; CNC cutting, neat cutting, smooth lines.

DIFFERENT SIZE: 22.2 to 25.4, 25.4 to 27.2, 25.4 to 28.6, 27.2 to 28.6, 27.2 to 30.4, 27.2 to 30.8, 27.2 to 31.6, 27.2 to 33.9, 31.6 to 33.9, 33.9 to 34.9.A variety of specification conversions can solve the problem of inappropriate size of your frame and seat tube.

BIKE SUITABLE: Fit for Mountain Bike, Hybrid bike, Old School, Cruiser, Cyclocross Bike, Dirt Jumper, Folding Bike, Road Bike etc. Let you build your own unique bicycle.

Chrome Plated

Weight: 1 pound

[Note: Please choose the right size of the seatpost.] Size: 27.2 × 350mm (apx 312g/pc), Total length: 350mm, Tube Length: 325mm, Head Length: 25mm. Strength: 4.9 levels ultra high strength, maxium of 580lbs ; Setback: 20mm. Adjust tube length of 0 to 320mm

How to Choose the Size:1.Check the diameter of the original seatpost,choose the same size as the original diameter.2.Measure the inside diameter of the frame tube.

Light weight, never rust. Constructed of ultra light and strong 6061 T6 aluminum alloy.

No Clamp, Pay Attention to Diameter: No clamp with the seatpost, it will not works if you are MTB saddle. City bike saddle has clamp, it will works. Wrong diameter will not works as well. Make sure you checked what diameter you need before buy.

Spring Suspension: A spring coil and damper rubber inside. Absorb the shocks and offer you good riding experience. Shock absorb travel 40mm/1.73in, seatpost total length 350mm/13.7in.

Rebound Force Adjustable: The suspension seatpost fit for riders weight 50kg/ 110lbs to 100kg/ 220lbs. Bottom screw can adjust spring rebound force. Clockwise the bottom screw if you are heavy, anticlockwise it if you are lightweight.

★How To Choose Correct Diameter Size★ : (1) Check The Original Seatpost Size Marked On The Body ,Choose The Same Size As The Original One.(2) Measure The Inside Diameter Of The Frame Tube(Normally It Is Not Accurate, Considering Operator,Measuring Tool , Temperature,Etc.,).(3) Inquire The Bike Frame Seller To Get The Further Information

★How To Adjust And Install Suspension★ : Rebound Force Adjustable By Tighten Or Loose The Bottom Screw Wiht M6 Allen Wrench. Suspension Travel 42mm/ 1.65inch.Build-In Spring Coil And Damper Rubber Absorb The Vibration While Riding, The Seat Post Comfort Your Riding Experience, Improve The Shocks. Saddle Clamp Angle Can Adjust In -5 Degree To +18 Degree. 2 Bolts Hold The Clamp, Enhance Safe And Easy To Install

★Seat Tube Parameters★ :Material: 6061-T6 Alloy Aluminum , Diameter : 27.2mm Length: 350mm Travel: 40mm Adjustable Preload Suspension Travel. Offset :14mm .Weight: Approx 490g(1.08 Lbs) Damping:Coil Spring , You Can Add Seatpost Thim(27.2~28.6/30.0/30.4/30.8/30.9/31.6/33.9) To Fit Different Size

1,Material:Carbon fiber;Appearance:3K Glossy;Weight:Approx 210+/-10g.

2,Diameter:27.2mm;length:400mm;Offset:25mm; About Choose the Size:1.Choose Same size diameter With the original seat post. 2.Choose the size according to the inside diameter of the frame tube.

3,Easy to install. Frosting finish, exquisite workmanship, nice touch feeling. Install the product correctly, please follow the specified tightening torque (4Nm).

31.6 mm Size & Material: ★Pay Attention to Diameter Before Buy★. Wrong diameter will not able to install, 27.2 mm/30.9 mm/31.6 mm they are different and not exchangeable. You can see your seat post diameter if you take out it from the bike frame. Full aluminum 6061 material body ensure the lightweight, the 30.9 seatpost fits for seat tube diameter 30.9 mm and is 350 mm(1.1 inch) long with 1-10 cm scale on.

Shock Absorber: The Bike seat post dampens vibration effectively as it's spring coil and damper rubber equipped inside while riding. Designed with an adjustable preload on the bottom, the bike suspension seat post can change the amount of force required to better absorb the vibration according to your body shape.

Adjustable Seatpost: Equipped with 2-bolt clamping head on the bike suspension seat post, you can easily clamp the saddle to point slightly down, slightly up or remain flat with adjusting angle -5° to 18°. The 1-10 cm scale on the bike suspension seat post makes it easy and clear for you to set the proper height of your bike post.

SIZE: Seat Post Diameter:27.2mm, fit for 1.07" diameter frame seatpost hole .Length:400mm.Thickness: 2.5mm. Tip: Please confirm the seat tube diameter of your bicycle before use.

ADJUSTABLE SEATPOST: The bicycle shock absorber seatpost is equipped with a bolt chuck. You can easily clamp the saddle. According to your own requirements, you can change the seat angle to get better riding comfort. Simple operation and convenient installation.

ACCURATE SCALE: Our bicycle seatpost is engraved with a clear scale, which is convenient to adjust the length of the seatpost to reach the height that suits you.

【Comfortable experience】The spring coil and damping rubber in the base rod of the bicycle shock absorb effectively the vibration during driving. The spring seatpost provides comfort with soft coil springs. This suspension improves vibration and pain, and the seatpost makes for a more comfortable ride.

【Adjustable】The rebound force can be adjusted, and the rebound force of the screw and spring can be adjusted according to its own weight for a better riding experience. The angle of the saddle clip can be adjusted from -5 to +18 degrees. 2 bolt-on clips for increased security and easy installation.

【High-quality material】 The bicycle shock absorber seatpost is made of high-quality aluminum alloy, and the one-piece lightweight aluminum alloy body is of good quality, durable, and the surface is anodized, which meets international bicycle safety standards.

【PAY ATTENTION】Please measure and confirm the exact post diameter required for your bike.

【MATERIAL】 Made of 6061 aluminum alloy, Lightweight strong and durable.Comes anodized in Black,Colorfast Surface,Great Anti-corrosion

【SIZE】Diameter: 25.4/27.2/28.6/30.9/31.6mm; Length:350mm;

[HIGH QUALITY AND DURABILITY] - Lightweight one-piece bicycle seatpost is made of high quality aluminum alloy, which is light weight, corrosion resistant, not easy to damage, and can be used for a long time. Maximum load is 265 lbs.

[MODEL DIMENSIONS] - Aluminum bike seatpost with diameter of 27.2mm / 30.9mm / 31.6mm and length of 350mm, suitable for men and women. Note: Please accurately measure the size of the original seat post before purchasing, and choose the same size to buy.

[ADJUSTABLE SEAT ANGLE] -The seatpost clamp can flexibly change the seat angle, which can be adjusted according to your driving habits, making driving more comfortable. The seatpost clamp locks the saddle firmly, making it comfortable and safe to ride without wobbling.

👍Package contains:1Pc Seatpost.Size:25.4x300mm/1''x11.81''(D*H).

👍Made of aluminum alloy, lightweight,anti-rut and durable.

👍Easy to install, just unbolt the old seat and remove the seatpost, then bolt the seat to the new seatpost and install it into the bike frame.

🚲Use: the diameter of the seat post is spring-loaded itself is 27.2mm and 2 spacer (30.9 / 31.6mm) , our spring-loaded seat post suitable for almost all bicycles city bike, mountain bike, e-bike, trekking bike, downhill.

🚲★ Pay attention to diameter before purchasing★ Incorrect diameter cannot be installed, 27.2 mm / 28.6 mm / 30 mm / 30.4 / 30.9 / 31.6 / 33.9, they are different and not replaceable.

🚲Spring coil suspension: built-in spring spiral and shock absorber rubber absorb the vibrations while driving, the seat post soothes your driving experience and improves the shocks. Rebound force can be adjusted by tightening or loosening the lower screw. Suspension travel: 42 mm.