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The Best Bicycle Seat Post Extension of 2022 – Reviews & Buying Guide

After hours researching and comparing all models on the market, we find out the Best Bicycle Seat Post Extension of 2022. Check our ranking below.

2,675 Reviews Scanned

Rank No. #1
UPANBIKE Bike Seat Post Aluminum Alloy Extra Long 17.7inch(450mm) Replacement Bicycle Seatpost φ 25.4 27.2 28.6 30.4 30.9 31.6mm(25.4mm)
  • To fit frame seatpost hole: 25.4mm
  • Important note: real measure of the seatpost diameter is a little smaller than the number marks on it. e.g.:25.4mm one may measures about 25.0~25.2mm only
  • Extra long: 17.7" (45cm); Help to raise height of saddle, so that tall rider don't have to bent much forward
  • Replacement seatpost for most bike, mountain bike, road bike, universal bikes
  • Clamp is adjustable for the saddle tilt angle
Rank No. #2
SENQI Bicycle Mountain Bike seat Post Aluminum Alloy seat Tube φ25.4/27.2/28.6/30.4/30.8/31.8/33.9 mm × 350/450/500/530mm(27.2×450mm Black)
  • Optional multiple diameters: φ25.4 / 27.2 / 28.6 / 30.4 / 30.8 / 31.8 / 33.9 mm
  • Seat post length: 350/450/500/530 mm, thickness: 2.2 mm
  • Material: Aluminum alloy, strong and durable.
  • Color: Black, Silver
  • Applies to older bikes, mountain bikes, road bikes and regular bikes.
Rank No. #3
UPANBIKE Bike Seatpost Aluminum Alloy Lengthen 530mm*31.8mm Seat Post for BMX Electric Bike Folding Bike
  • 【MATERIAL】Seatpost made of 6061 aluminum alloy,strong and durable.
  • 【SIZE】Length:530mm;Diameter:31.8mm;Thickness of the tube:3mm.
  • 【LENGTHEN DESIGN】lengthen design,help to raise height of saddle,so that tall rider don't have to bent much forward.
  • 【SAFE LINE MARK】There is a safe line mark on the seat post. Please insert at least above the minimum safety line.
  • 【PACKAGE INCLUDED】What you get:1 X Bike Seatpost
Rank No. #4
UPANBIKE Bike Seat Post Aluminum Alloy Length 350mm 25.4/27.2/28.6/30.8/31.7mm Black for Mountain Bike Road Bicycle
  • 【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.
  • 【USE&FIT】Seatpost used for for most old style bike,and the bike saddle with clamp.
  • 【SAFE LINE MARK】There is a safe line mark on the seat post. Please insert at least above the minimum safety line.
Rank No. #5
heyous Bike Seatpost 25.4mm 350mm Aluminum Alloy Bicycle Seat Post Seat Tube Long Fixed Gear Seat Post Extension Bike Parts Aceessories, Black
  • There is a mountain bike straight seatpost in the package.
  • The safety line on the seatpost is clearly and conveniently marked.
  • Made of aluminum alloy, rust-proof and long service life.
  • Installation is easy, just loosen the bolts of the old seat and remove the seatpost, then fix the seat bolts to the new seatpost and install it in the bicycle frame.
  • Suitable for most bicycles, such as fixed gear bicycles, mountain bikes, track bikes, MTB, BMX.
Rank No. #6
heyous Bike Seat Post 27.2x350mm Aluminum Alloy Bicycle Seat Post Seat Tube Long Fixed Gear Seat Post Extension Bike Parts Accessories, Black
  • There is one mountain bike upright pole inside the packaging.
  • The Security thread mark on the seat rod is clear and convenient.
  • Made of high-quality metal material, it is not easily damaged and has a long service life.
  • The installation is simple, just loosen the bolts of the old seat and remove the seat rod, then fix the seat bolt to the new seat rod and install it in the Bicycle frame.
  • It is suitable for most bicycles, such as fixed-gear bicycles, mountain bikes, track bikes, Mountain bikes, and BMX.
Rank No. #7
COCH Zoom Bike Seat Posts Bike Suspension Seatpost 27.2mm 31.6mm Alumium Adjustable Seatpost for MTB Road Bike Mountain Bike Fixed Bike Seatpost (Silver, 31.6mm)
  • 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..
  • How to Choose the Size: 1.Check your current seatpost diameter, size marked on lower position of the post (Need to take it out from tube to see the size mark). And buy same size from the option. 2.Measure the inside diameter of the frame tube.
  • Suit for most Fixed Gear bike , Road Bike , Mountain Bike , Universal Bikes, etc.It fit for riders weight 50kg/ 110lbs to 180kg/ 397lbs
Rank No. #9
FarBoat 2pcs Seat Post Clamp Extension Bolt Bicycle Quick-release Seatpost Saddle Pipe Fixing Collar MTB Mountain Bike Accessories (Black)
  • [Package Includes] 2 pieces x Seat Post Clamp Extension Bolt.
  • [Sizes] Overall Size: 2.55 x 2.8 inches; Bolt Size: M6.
  • [Function] Extend the seat post clamp to meet more installation projects on bicycles.
  • [Scope of Application] For bicycles, mountain bikes, children's bicycles, folding bikes, scooters, energy bikes.
  • [FarBoat Service Team] If you meet any quality issues about our product, please feel free to tell us your situation and we will try our best to help you, message will usually be replied within 48 hours.
Rank No. #10
REDSHIFT Dual-Position Bike Seatpost, Aluminum Bicycle Seat Post Saddle Pole, Cycle Biking Accessories and Parts, 27.2mm x 350mm Black
  • PATENTED DUAL-POSITION SEATPOSTS – The patented Redshift Dual-Position Seatpost for bicycles allows you to switch between two seatpost positions: road and triathlon positions while riding your bike. Innovative bike accessories optimized for triathlon and long distance riders.
  • SWITCH FROM ROAD TO AERO POSITION – The Dual-Position bike seatpost allows you to switch between road and aero positions on the fly during your ride. Transform the road bike you already own into a triathlon riding position for proper fit with aero bars.
  • RIDE WITH EASE MORE COMFORTABLY – The key to riding comfortably is proper positioning of your bike saddle. This bike seatpost allows you to ride with a proper aero bike fit on a standard road bike, so you can ride faster and more comfortably.
  • ENSURES PROPER LEG EXTENSION – This seatpost for bikes is designed to maintain the same pedal-to-saddle length in both positions, ensuring proper leg extension in the road and aero riding positions.
  • COMPATIBLE WITH – The seat post is 27.2 mm in diameter by 350 mm in length. Shims (sold separately) can be used to adapt the seatpost to bikes with larger seatpost diameters. The bike seat post accepts saddles with standard round 7 mm saddle rails.

Last update on 2023-08-11 / Affiliate links / Images from Amazon Product Advertising API

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  2. Features: What bells and whistles matter for an Bicycle Seat Post Extension?
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