10 Best Cycling Seat Posts in UK 2025
Updated on 04/06/2025
#1
Recommended
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- Spring suspension design for added comfort on rough terrain
- Constructed from aluminum for durability and lightweight performance
- Compatible with E bicycles, mountain bikes (MTB), trekking bikes, and city bikes
- Post diameter of 30.9mm for versatile fitting
- Measures 13.8 inches (350mm) in length for adequate adjustment
- Designed to enhance riding experience by reducing shock absorption
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- Spring suspension design for added comfort on rough terrain
- Constructed from aluminum for durability and lightweight performance
- Compatible with E bicycles, mountain bikes (MTB), trekking bikes, and city bikes
- Post diameter of 30.9mm for versatile fitting
- Measures 13.8 inches (350mm) in length for adequate adjustment
- Designed to enhance riding experience by reducing shock absorption
#2
Value for Money
32% Off
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- 2-screw locking system enables simultaneous angle adjustment and secure positioning
- Durable construction using Aluminium 7050 T6
- Anodized black finish for added resistance to wear
- Offset measurement of 15mm for optimal alignment
- Length of 350mm with a weight of 295g for the 27.2mm diameter
- Offers options in 31.6mm and 27.2mm sizes
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- 2-screw locking system enables simultaneous angle adjustment and secure positioning
- Durable construction using Aluminium 7050 T6
- Anodized black finish for added resistance to wear
- Offset measurement of 15mm for optimal alignment
- Length of 350mm with a weight of 295g for the 27.2mm diameter
- Offers options in 31.6mm and 27.2mm sizes
#3
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- Made from corrosion-resistant 6061 aluminum alloy for durability
- Available lengths: 350mm; compatible diameters: 25.4mm, 27.2mm, 28.6mm, 30.4mm, 30.8mm, 31.6mm
- Installation involves loosening bolts from the old seat, attaching new seatpost, and securing it in the bicycle frame
- Compatible with a wide range of bicycles including road, mountain, and BMX bikes
- Minimum insertion mark on seatpost ensures safety; saddle clamp sold separately
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- Made from corrosion-resistant 6061 aluminum alloy for durability
- Available lengths: 350mm; compatible diameters: 25.4mm, 27.2mm, 28.6mm, 30.4mm, 30.8mm, 31.6mm
- Installation involves loosening bolts from the old seat, attaching new seatpost, and securing it in the bicycle frame
- Compatible with a wide range of bicycles including road, mountain, and BMX bikes
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#4
15% Off
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- Saddle clamp is not included; measure the actual outer diameter or the inner diameter of the frame tube before purchasing.
- Size specifications: length of 15.7" (400mm) and diameter options of 25.4mm, 27.2mm, 28.6mm, 30.4mm, 30.9mm, and 31.6mm; thickness of 0.08" (2mm).
- Constructed from durable 6061 aluminum alloy for strength and longevity.
- Compatible with a variety of bike types including fixed gear, MTB, road, downhill, track, BMX, and DH.
- Features a safety line mark for installation; ensure the post is inserted above this line for safety.
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- Saddle clamp is not included; measure the actual outer diameter or the inner diameter of the frame tube before purchasing.
- Size specifications: length of 15.7" (400mm) and diameter options of 25.4mm, 27.2mm, 28.6mm, 30.4mm, 30.9mm, and 31.6mm; thickness of 0.08" (2mm).
- Constructed from durable 6061 aluminum alloy for strength and longevity.
- Compatible with a variety of bike types including fixed gear, MTB, road, downhill, track, BMX, and DH.
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#5
11% Off
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- Constructed from high-quality aluminum alloy for durability and lightweight performance
- Available in multiple diameter options: 25.4mm, 27.2mm, 28.6mm, and 30.9mm; length is 400mm
- Features an adjustable head design for easy installation and precise seat angle adjustment
- Compatible with various bike types including road, mountain, and BMX; installation is quick and straightforward
- Ensure to measure the original seat post diameter before purchasing to avoid size mismatches
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- Constructed from high-quality aluminum alloy for durability and lightweight performance
- Available in multiple diameter options: 25.4mm, 27.2mm, 28.6mm, and 30.9mm; length is 400mm
- Features an adjustable head design for easy installation and precise seat angle adjustment
- Compatible with various bike types including road, mountain, and BMX; installation is quick and straightforward
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#6
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- Constructed with high-strength carbon steel for durability and corrosion resistance.
- Measures 300mm in length and 27.2mm in diameter, compatible with most road bikes; verify dimensions before purchase.
- Installation is straightforward: replace old seat post by securing the new one into the saddle clamp and bike frame; note that saddle clamp is not included.
- Features safety line markings on the post to ensure proper insertion depth and prevent potential risks.
- Compatible with various bike types, including road, mountain, fixed gear, track, and folding bikes, thanks to its robust design.
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- Constructed with high-strength carbon steel for durability and corrosion resistance.
- Measures 300mm in length and 27.2mm in diameter, compatible with most road bikes; verify dimensions before purchase.
- Installation is straightforward: replace old seat post by securing the new one into the saddle clamp and bike frame; note that saddle clamp is not included.
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#7
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- Ensure to measure the post diameter needed for your bicycle accurately.
- Constructed from lightweight and durable 6061 aluminum alloy with an anodized black finish for corrosion resistance.
- Available in diameters: 25.4, 27.2, 28.6, 30.9, and 31.6mm; Length: 350mm.
- Includes a safety line mark; install the seatpost above this mark for safety.
- Compatible with a variety of bicycles including road, fixed gear, mountain, and downhill bikes.
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- Ensure to measure the post diameter needed for your bicycle accurately.
- Constructed from lightweight and durable 6061 aluminum alloy with an anodized black finish for corrosion resistance.
- Available in diameters: 25.4, 27.2, 28.6, 30.9, and 31.6mm; Length: 350mm.
- Includes a safety line mark; install the seatpost above this mark for safety.
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#8
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- Measure post diameter before ordering.
- Constructed from lightweight 6061 aluminum alloy with anodized finish in various colors.
- Available in diameters of 25.4mm, 27.2mm, 28.6mm, 30.8mm, and 31.6mm; length is 350mm.
- Features a safety line for proper installation depth.
- Compatible with a variety of bikes including road, mountain, and fixed gear models.
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- Measure post diameter before ordering.
- Constructed from lightweight 6061 aluminum alloy with anodized finish in various colors.
- Available in diameters of 25.4mm, 27.2mm, 28.6mm, 30.8mm, and 31.6mm; length is 350mm.
- Features a safety line for proper installation depth.
- Compatible with a variety of bikes including road, mountain, and fixed gear models.
#9
4% Off
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- Bicycle seatpost dimensions: 300mm length, 27.2mm diameter, compatible with most road bikes; verify fitting before purchase with provided measurement method.
- Constructed from high-strength iron with a black coating for durability, corrosion resistance, and a comfortable finish, making it a reliable replacement for worn seatposts on mountain bikes.
- Installation is straightforward: loosen the old saddle clamp, replace the seatpost, and reattach the clamp; note that saddle clamp not included.
- Features a safe line marking on the post to ensure correct installation depth, with sanded ends to minimize injury risk during handling.
- Designed to fit various bike types, including road, mountain, downhill, track, fixed gear, and foldable bicycles, thanks to its thickened tube for enhanced stability.
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- Bicycle seatpost dimensions: 300mm length, 27.2mm diameter, compatible with most road bikes; verify fitting before purchase with provided measurement method.
- Constructed from high-strength iron with a black coating for durability, corrosion resistance, and a comfortable finish, making it a reliable replacement for worn seatposts on mountain bikes.
- Installation is straightforward: loosen the old saddle clamp, replace the seatpost, and reattach the clamp; note that saddle clamp not included.
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#10
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- Shock-absorbing design featuring a built-in spring and damper rubber to reduce vibrations and enhance comfort while riding.
- Adjustable clamping angle allows for optimal saddle positioning, improving pedaling efficiency.
- Constructed from durable 6061-T6 aluminum, with three diameter options: 27.2mm, 30.9mm, and 31.6mm, and a length of 400mm.
- Max load capacity of 120 kg with a strength rating of 4.9, ensuring reliability and safety.
- Compatible with most bicycles including road, mountain, and e-bikes due to standard sizing.
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- Shock-absorbing design featuring a built-in spring and damper rubber to reduce vibrations and enhance comfort while riding.
- Adjustable clamping angle allows for optimal saddle positioning, improving pedaling efficiency.
- Constructed from durable 6061-T6 aluminum, with three diameter options: 27.2mm, 30.9mm, and 31.6mm, and a length of 400mm.
- Max load capacity of 120 kg with a strength rating of 4.9, ensuring reliability and safety.
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