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Seat posts with a length of 400 mm

 prices on 28 models  
400 mm
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The super light seat post is made of aluminum. Due to the adjusting screw, the saddle angle can be modulated individually. Therefore, it offers maximum comfort for the biker. Safe fitting and installation of the seat post thanks to a marked scale.Features:- Lightweight seat postSpecifications:- Material: Aluminium 6061- Weight: 328 g- Dimensions: (LxD) 27.2 x 400 mm
Price from £19.00 up to £23.99 
Compare prices and buy Rfr Pro Light
£19.00
£24.00
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The super light seat post is made of aluminum. Due to the adjusting screw, the saddle angle can be modulated individually. Therefore, it offers maximum comfort for the biker. Safe fitting and installation of the seat post thanks to a marked scale.Features:- Lightweight seat postSpecifications:- Material: Aluminium 6061- Size: (LxD) 30.9 x 400 mm
Price from £19.00 up to £23.99 
Compare prices and buy Rfr Prolight
£19.00
£24.00
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Upgrade your cycling experience with the MASSI MSP-110 seatpost, a durable and reliable component designed for both Road Cycling and MTB Cycling adventures. This rigid, Aluminum seatpost offers exceptional performance and a comfortable ride, whether you´re tackling challenging mountain trails or cruising on paved roads. The MSP-110 boasts a 30.9mm diameter and a 400mm length, providing ample adjustability for finding your perfect riding position. Its robust Aluminum construction ensures long-lasting durability and resistance to wear and tear, making it ideal for demanding cycling disciplines.The MASSI MSP-110 seatpost is more than just a functional component, it´s an investment in your cycling co…
£25.49
Bikeinn
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Upgrade your mountain biking experience with the durable and reliable MASSI 31.6x400 mm seatpost. Crafted from robust aluminum, this rigid seatpost provides a stable and secure platform for tackling challenging trails. Designed specifically for MTB cycling, it offers the perfect balance of strength, lightweight performance, and precise adjustability for optimal riding comfort and control.This MASSI seatpost boasts a standard 31.6 mm diameter and a 400 mm length, making it compatible with a wide range of mountain bike frames. The aluminum construction ensures long-lasting durability while keeping the weight down, crucial for efficient climbing and maneuverability. Its rigid design provides direct …
£25.99
Bikeinn
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Seatpost Ergotec patent hook aluminium 400 mm - 27.2 .Aluminium 6061 T6.Length: 400mm.Color : Black
Price from £22.49 up to £29.36 
Compare prices and buy Saddle post Ergotec Patent Hook 400mm - 27.2 Noir 374306
£22.00
£29.00
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This seatpost combines rigidity and reliability and can handle the sudden pressures and vibrations during practice.General characteristics:Material: Aluminium 6061Seatpost length: 400 mmDiameter: 31,4 mm
Price from £24.99 up to £29.38 
Compare prices and buy Saddle post Ergotec Patent Hook 400mm - 31.4 Noir 374304
£25.00
£29.00
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This seatpost combines rigidity and reliability and can handle the sudden pressures and vibrations during practice.General characteristics:Material: Aluminium 6061Seatpost length: 400 mmDiameter: 29.8 mm
Price from £24.99 up to £29.52 
Compare prices and buy Saddle post Ergotec Patent CNC 400mm - 29.8 Gris 374222
£25.00
£30.00
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This seatpost combines rigidity and reliability and can handle the sudden pressures and vibrations during practice.General characteristics:Material: Aluminium 6061Seatpost length: 400 mmDiameter: 30 mm
Price from £23.99 up to £29.52 
Compare prices and buy Saddle post Ergotec Patent Hook 400mm - 30 Noir 374247
£24.00
£30.00
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Upgrade your cycling experience with the MASSI MSP-204 Seatpost, a durable and reliable component designed for both Road Cycling and MTB Cycling adventures. This rigid, Aluminum seatpost offers precise saddle height adjustment for optimal comfort and performance on any terrain. Measuring 30.9mm in diameter and 400mm in length, the MSP-204 provides a secure and stable platform for your saddle, ensuring efficient power transfer and a smooth ride.Crafted from high-quality Aluminum, the MASSI MSP-204 boasts exceptional strength and durability while remaining lightweight. This robust construction makes it ideal for tackling challenging trails and enduring long road rides. The rigid design further …
£36.99
Bikeinn
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Features: brand new and high quality Made of aluminum alloy material, strong and durable. Length: 400mm; Diameter: 27.2mm 30.9mm 31.6mm. Seatpost used for for most folding/BMX / mountain bike Please measure the actual required diameter before purchasing. The angle of the for seat cushion can be flexibly changed according to your own needs. Specifications: Material:Aluminum Alloy Color:Black Blue Red Note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Bike for Seat Post.
£23.95
Fruugo.co.uk
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Fruugo.co.uk
Item Type: Bicycle SeatpostMaterial: Aluminum Alloy Length: Approx. 400mm / 15.7inPipe Diameter: Approx. 31.6mm / 1.2inProduct Weight: Approx. 406g / 14.3oz
£25.07
Fruugo.co.uk
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Fruugo.co.uk
Diameter:27.2MM Offset:0mm Saddle Angle Adjustment:0-27 degrees Min Insertion:100mm Max Insertion:210mm Torque Spec:Saddle Rail Clamp Bolts:5.5Nm Torque Spec:Seatpost Collar Determined by your Frame manufacture/Seatpost Collar(Recommended locking torque less than equal 5.5NM) Length:400mm Colour:Matte Black Material:carbon fiber Package Contents: 1 x Carbon Fiber Seat Post Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
£29.95
Fruugo.co.uk
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Fruugo.co.uk
100% new and high quality. light , in use. With adjustable , convenient to install. Application: road Mountain bike weight: 345g colour:Red Material:Aluminum alloy size:31.6 x 400mm Package Contents: 1 x Bike Seat Post Tube Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
£32.95
Fruugo.co.uk
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Fruugo.co.uk
Feature: 1. Using high?quality aluminum alloy material, it has high hardness, corrosion resistance, sturdiness and durability. 2. Anodized treatment and exquisite craftsmanship for comfortable hand feeling. 3. With 3D forging process, the angle of the seat cushion can be flexibly changed according to your own requirements, making riding more comfortable. 4. The seat tube has a height?adjusting ruler with clear scale lines, making it easier to install. 5. Suitable for most road bikes, fixed gear bicycle, mountain bikes, downhill bikes, tracked bikes, etc. Specification: Item Type: Bicycle Seatpost Material: Aluminum Alloy Length: Approx. 400mm / 15.7in Pipe Diameter: Approx. 30.9mm / 1.2in Product …
£18.59
Joom UK
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Joom UK
Feature: 1. All carbon fiber bicycle seat tube, lightweight coating, high?end atmosphere. 2. It effectively guarantees the strength of the tube. Make the fixation firmer and make your ride safer. 3. High strength and fatigue resistance. Corrosion resistance, exquisite workmanship, good tactility. 4. Suitable for mountain bike, road bike, bicycle, etc. 5. Easy to install and disassemble, which makes your riding more comfortable. Specification: Item Type: Bicycle Seatpost Material: Carbon Fiber Color: As Pictures Shown Product Diameter: Approx. 22.2mm0.9in Length: Approx. 400mm15.7in Weight: Approx. 86g3ozApplicable Gender: NeutralMale or Female Application: Suitable for Mountain Bike, Road Bike,…
£22.39
Joom UK
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Feature: 1. Wide Application: The premium saddle post is extensively suitable for most bicycles, mountain bikes, downhill bikes, MTB, BMX and so on to better meet your demands. 2. High Strength Aluminum Alloy: Lightweight design, effective shock absorption, high compression resistance, distortion resistance, toughness and firmness, not easy to bend. 3. CNC Precision Cutting: One Piece molding, with anti slip grooves and precision threads, easier to lock. Beautiful appearance, strong texture and bright colors. 4. Double Nails and Track Design: The angle of the seat cushion can be changed according to your own requirements, thereby improving riding comfort. 5. Height Adjustment Ruler: The scale …
£31.19
Joom UK
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Feature: 1. Aluminum Alloy: The bike seat post is made of high strength aluminum alloy material, and it adopts lightweight design that has effective shock absorption. 2. CNC Integrated Molding: This bikr seatpost is CNC integrated molding, CNC accurate cutting, with high compression resistance, anti torsion, tough and firm without bending. 3. CNC Anti Skid Groove: The surface has CNC anti skid groove, with accurate thread, easier to lock, non slip and beautiful, strong texture, bright color. 4. With Ruler: The seat tube has a ruler for adjusting the height, the scale line is clear, and the installation is more clear. 5. Easy to Install: Each seat tube has a lower installation limit to ensure …
£31.94
Joom UK
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Features: Length: 400mm. Offset: 25mm. Outer Diameter:27.2mm? Loading capacity: Max. 100kg/220lb. Made of carbon fiber material,lightweight and strong. Two bolt design for quick adjustment. Adjustable rail clamp is interchangeable,provide compatibility for most rail sizes. Suitable for most mountain bikes,road bike,etc. Easy to install and replace. Specification: Material: Carbon fiber Loading capacity: Max. 100kg / 220lb Offset: 25mm Length: 400mm Outer Diameter:27.2mm? Tube thickness: 3mm Weight: approx. 211.3 g / 7.5 oz Package List: 1* Seatpost
£34.13
Joom UK
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MASSI MSP-204 31.6x400 mm Seatpost: A Reliable and Durable Choice for Your Mountain BikeThe MASSI MSP-204 31.6x400 mm Seatpost is a robust and reliable component designed to provide a secure and comfortable ride for mountain bikers. Crafted from durable aluminum, this seatpost offers exceptional strength and longevity, ensuring it can withstand the rigors of off-road adventures. Key Benefits:* Durable Construction: Made from high-quality aluminum, this seatpost is built to last, resisting wear and tear even on challenging trails.* Secure Fit: The 31.6 mm diameter and 400 mm length ensure a secure and stable fit on most mountain bikes.* Smooth Adjustment: The rigid design allows for easy and …
£36.99
Bikeinn
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Color: black Weight: 265g~ Material: AL-6061 Seatpost diameter: 27.2mm Seatpost length: 400mm Seatpost: Offset: 0mm Rail diameter: 7mm
£75.00
Joom UK
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B-XX400 has an aluminum alloy structure, sealed hydraulic cartridge, forged head, one-piece shaft and, of course, the structural rating that passes the stringent Zedler standard for electric bicycles and pedelecs.Specifications:- Diameter: 30.9- Travel: 150mm- Length: 445mm- Insert: 236- Min Insert: 100- Max Extension: 318- Seal collar to dimension: 206- Weight: 452-629 g- Remote control for B-XX400 seat post included
£112.99
Bikeinn
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Bikeinn
B-XX400 has an aluminum alloy structure, sealed hydraulic cartridge, forged head, one-piece shaft and, of course, the structural rating that passes the stringent Zedler standard for electric bicycles and pedelecs.Specifications:- Diameter: 30.9- Travel: 150mm- Length: 445mm- Insert: 236- Min Insert: 100- Max Extension: 318- Seal collar to dimension: 206- Weight: 452-629 g- Remote control for B-XX400 seat post included
£112.99
Bikeinn
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B-XX400 has an aluminum alloy structure, sealed hydraulic cartridge, forged head, one-piece shaft and, of course, the structural rating that passes the stringent Zedler standard for electric bicycles and pedelecs.Specifications:- Diameter: 31.6- Travel: 125mm- Length: 396mm- Insert: 211- Min Insert: 90- Max Extension: 278- Seal collar to dimension: 181- Weight: 452-629 g- Remote control for B-XX400 seat post included
£112.99
Bikeinn
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B-XX400 has an aluminum alloy structure, sealed hydraulic cartridge, forged head, one-piece shaft and, of course, the structural rating that passes the stringent Zedler standard for electric bicycles and pedelecs.Specifications:- Diameter: 30.9- Travel: 150mm- Length: 445mm- Insert: 236- Min Insert: 100- Max Extension: 318- Seal collar to dimension: 206- Weight: 452-629 g- Remote control for B-XX400 seat post included
£112.99
Bikeinn
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