11 best bike seatposts

Bike seatposts are essential components of a bicycle that connect the saddle (bike seat) to the frame of the bike. They play a crucial role in determining the rider's comfort and overall riding experience. Here's what you should know about bike seatposts:

  1. Material: Seatposts are commonly made from materials like aluminum, carbon fiber, steel, or titanium. Each material has its own set of advantages and disadvantages. Aluminum is lightweight and affordable, while carbon fiber offers excellent vibration dampening and is lightweight as well. Steel is robust and durable but heavier, and titanium is a blend of lightweight and durability.

  2. Diameter: Seatposts come in various diameters, and it's important to match the diameter of the seatpost to the diameter of the seat tube on your bike frame.Common diameters include 27.2mm, 30.9mm, and 31.6mm, but there are other sizes as well.

  3. Length: The length of a seatpost can vary, and it's crucial to choose a length that suits your riding style and body proportions. Some riders prefer a longer seatpost for a more upright riding position, while others opt for a shorter one for a more aggressive, aerodynamic posture.

  4. Offset: Seatposts may have varying degrees of offset, which determines the horizontal distance between the saddle clamp and the center of the post. Offset can affect the rider's position on the bike and comfort. Riders with specific fit needs may opt for seatposts with adjustable offset.

  5. Clamp Style: The saddle is attached to the seatpost using a saddle clamp. There are various clamp styles, including single-bolt, two-bolt, and integrated clamps. The choice of clamp style affects how easy it is to adjust the saddle angle and secure it in place.

  6. Suspension Seatposts: Some seatposts come with built-in suspension mechanisms or elastomers that absorb shocks and vibrations from rough terrain, enhancing rider comfort on off-road or gravel rides.

  7. Dropper Seatposts: Popular in mountain biking, dropper seatposts allow riders to adjust saddle height on-the-fly, typically with a remote lever mounted on the handlebars. This feature is especially useful for quickly transitioning between uphill and downhill riding.

  8. Weight: Weight-conscious riders may want to consider the weight of the seatpost, as it can contribute to the overall weight of the bike. Lighter materials like carbon fiber are often favored for their weight-saving properties.

  9. Installation: Proper installation of the seatpost is essential for safety and performance. It's important to ensure that the seatpost is inserted to the recommended minimum insertion depth and securely clamped in place to prevent slippage.

  10. Maintenance: Regular maintenance of the seatpost, such as cleaning and lubrication, can extend its lifespan and ensure smooth adjustments.

In conclusion, bike seatposts are a critical component of a bicycle that can greatly influence rider comfort, position, and overall riding experience. Choosing the right seatpost material, diameter, length, offset, and other features can help tailor your bike to your specific needs and preferences.

Below you can find our editor's choice of the best bike seatposts on the market
  

UPANBIKE Aluminum Alloy Bike Seat Post Length 350mm30.8mm Black for Mountain Bike Fixed Gear Bike Seatpost Four Sizes for You to Choose

UPANTECH

Based on 1 reviews Check latest price
  • 【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.

User questions & answers

Question: Is 31.6mm seat post for mountain bike
Answer: It was plug and play on my 5.3 ltr 2006 Tahoe. So far, so good. Mike
Question: Would it fit a Schwinn boundary
Answer: I’m almost positive they will. Mine were turned on by the time in the ECM. That’s the best way.
Question: Help! 25.4mm is too thin that it falls into the frame and I can’t tighten around the seat post any tighter. What should I do
Answer: Nelson performance in San Antonio tx. nelsonperformance.com
Question: What is the top dimension of the 25.4mm post
Answer: Hi, No this only fits the 05-07 models with the 5.3L or 6.0L, the 2003 used a standard fan blade and clutch design, not electric. This part is designed as the replacement for the vehicles that came with the electric fans factory from GM. Thanks!
Question: I have 2 12 skar sdr D4 will this be enough to power them? Also will the battery fit in a 2017 ford escape
Answer: Yes , the filter is part # 24-40035
Question: How many amp hours is this battery
Answer: Yes it will fit your 2020 F-150 as long as it has a 2.7L or 3.5L . here is a list of what it fits.. 2018-2020 Ford F-150 EcoBoost V6 2.7L Gas 2017-2020 Ford F-150 EcoBoost V6 3.5L Gas 2017-2020 Ford F-150 Raptor V6 3.5L (tt) Gas
Question: would this be a good second battery on a 2000 watt amp
Answer: It does not throw codes assuming it’s installed properly. I have had no issues with mine.
Question: How many watts will this support
Answer: The filters in our intake kits are washable/reusable. The typical cleaning interval would be around 25K-30K miles. If driving off-road or in dusty conditions frequently, cleaning should be done sooner. Cleaning is done using our aFe POWER filter recharge kits which are available for both oiled and dry filters.

Product features

SIZE SPECIFICATIONS

  • Length:350mm
  • Diameter:25.4mm 27.2mm 28.6mm 31.6mm
  • With the general specification of the dimensions of the clamp,it fits most of the saddles (the four sizes commonly used for you).

How to measure and confirm the diameter that you need

Please do measure and confirm the exact post diameter that you need for your bike. Otherwise you may find it too small or too large for your bike frame seat post hole, then you'll have to spend more time to return it. Thank you for your support.

There are two ways to confirm the diameter that you exactly need.

1. Check the diameter mark on your old seat post, normally there's a size mark on your old seat post. For example, if there's a mark " Φ 25.4"on your old seat post, then you can buy a new 25.4mm seat post.

2. If you have a vernier caliper, measure your old seatpost diameter, or measure the inner diameter of the seatpost hole, then buy a similar size new seat post. For example, if the measurement is about 27.1mm, then select a 27.2mm seat post will do.

3. If you don't have a vernier caliper, use a small stick to measure the inner diameter of the seat post hole (see the picture showing)

SAFE LINE MARK

  • There is a safe line mark on the seat post,adjustment is easy.
  • Please insert at least above the minimum safety line.
  • Pay attention:normally it's not supposed to put over 220 lbs(100kg) on this seatpost.

INSTALLTION VIEW

  • Easy Installation:It is easy to install the saddle on this seat post.
  • Seatpost used for for most old style bike,and the bike saddle with clamp.
  • By raising the saddle height,a forward leaning riding position is born,even if the air resistance (drag) is reduced.
  • This item is sale as a single bike seat post,the saddle clamp is not included,you can buy a clamp separately or remove one from your old saddle.

DJC Bike Suspension Seatpost Shock Absorber Damper Post 27.2 30.9 31.6 mm, Lightweight Aluminum Body

HL Corp

Based on 732 reviews Check latest price

Product description

DJC Bike Suspension Seatpost Shock Absorber Post

 

Features

  • 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 Choose Correct Diameter Size★ . Wrong size will not work and will cause return. Take out your current seatpost, the diameter marked on it’s lower area. Then buy same size from the option.
  • Clamp Angle Adjustable: Saddle clamp angle can adjust in -5 degree to +18 degree. Clamp offset 14mm.
  • Excellent Quality: Produced by world largest bike components supplier HL CORP and comply to international bicycle safety standard ISO 4210. Full aluminum 6061 body ensure the lightweight, 27.2mm weight 498g/ 1.1lbs, 31.6mm weight 508g/ 1.2lbs. Surface anodized.
  • 2 Years Warranty: We are confident to the product quality and offer 2 years warranty. It fit for riders weight 50kg/ 110lbs to 100kg/ 220lbs(Clockwise the bottom screw if you are heavy, anticlockwise it if you are lightweight).

 

About ZOOM

HL CORP was founded in 1991. The company create famous brand ZOOM in the world with good quality, reasonable price, enjoying good reputation in the industry. HL CORP products are exported far to Europe, USA, ASIA. Its manufacturing and sales are in the leading positions in the industry. 

  • 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 Choose Correct Diameter Size★ . Wrong size will not work and will cause return. Take out your current seatpost, the diameter marked on it’s lower area. Then buy same size from the option.
  • Clamp Angle Adjustable: Saddle clamp angle can adjust in -5 degree to +18 degree. Clamp offset 14mm.
  • Excellent Quality: Produced by world largest bike components supplier HL CORP and comply to international bicycle safety standard ISO 4210. Full aluminum 6061 body ensure the lightweight, 27.2mm weight 498g/ 1.1lbs, 31.6mm weight 508g/ 1.2lbs. Surface anodized.
  • 2 Years Warranty: We are confident to the product quality and offer 2 years warranty. It fit for riders weight 50kg/ 110lbs to 100kg/ 220lbs(Clockwise the bottom screw if you are heavy, anticlockwise it if you are lightweight).

User questions & answers

Question: I just installed the post on my bike, made few clockwise turns (tighten) but seat just sunk, cant feel rebound. I weigh 150 lbs. Suggestion please
Answer: Yes and yes
Question: Is the seat post shipped with an owners manual
Answer: I don't think that one was because i did not have that option on that Edge. The description for the fan assembly should say if it is for vehicles with trailer tow.
Question: My seat post says 31.8 will the 31.6 work? Does it come with a .2mm shim
Answer: Hi, it comes with the motor and easy connect connection, just bolt up fan and plug in the wire connector.Please feel free to call and ask any questions 516 259-0125 Thanks Your Skyblue Team
Question: Will the 31.6 mm work on the lectric XP E-bike
Answer: I don't remember what the warranty is but my mechanic said the design was better than the factory design.

FOMTOR Bicycle Seat Post 25.4/27.2/28.6/30.9 x 350mm Alumium Adjustable Seatpost for MTB Road Bike BMX

FOMTOR

Based on 652 reviews Check latest price

Product description

Specification:

Diameter:25.4/27.2/28.6/30.9(mm)

Length:350mm

Weight:27.2 x 350mm(300g),28.6 x 350mm(315g),31.6 x 350mm(350g)

Strength: 4.9 levels ultra high strength, maxium of 580lbs

Adjust tube length: 0-320mm

Use: MTB, BMX, mountain bike, track bike, fixed gear, road bike and so on

How to choose the seatpost 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.choose the same size as the inside diameter of the frame tube.

Package Include:

1 x Bicycle Seat Post(Length:350mm)

  • 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.
  • With adjustable head, convenient to install.
  • Suitable for most mountain bikes, road bike, fixed gear bicycle, downhill bike, track bike, MTB, BMX, DH, etc

User questions & answers

Question: Can you cut down to size
Answer: Hello,this item will fit your vehicle. Thank you.
Question: What is the offset
Answer: Hi, No harness is included and its has a lifetime warranty. Thank you
Question: Is the post anodized
Answer: If you just bought it a month ago I tried to find out about getting a replacement under warranty. If you wanted to get it repaired I would check the prices of any shop because it's probably going to be cheaper to have it replaced then repaired. If it failed so quickly make sure that you got the correct fan - I know for my vehicle there was one for a vehicle with the towing package in one for the vehicle without the towing package and they looked exactly the same, but the electronics were different.
Question: What size Allen key does this require
Answer: Yes this comes as pictured.

Ritchey WCS 1-Bolt Zero Offset Bike Seatpost - 27.2mm, 350mm, Aluminum, for Mountain, Road, Cyclocross, Gravel, and Adventure Bikes

RITCHEY

Based on 6 reviews Check latest price

Product description

Seat post RITCHEY WCS 1-bolt 27.2 mm. MTB / Road 0 mm offset, 27.2 x 350 mm.

  • The Ritchey WCS 1-Bolt Zero Offset features a wide single bolt-secured clamp to reduce the stress on the saddle rails
  • The patented SideBinder clamp's easy adjustability is both functional and aesthetically pleasing
  • The included 7x7mm saddle rail clamp is interchangeable, providing compatibility for all popular rail sizes
  • Features Ritchey's Blatte finish for a sleek and modern look

User questions & answers

Question: Will this move the bike seat forward? Toward the handle bars
Answer: This is for the Driver's side.

KINEKT 2.1 XL2 Aluminum Bike Seatpost with Suspension

Cirrus Cycles

Based on 44 reviews Check latest price

Product description

The KINEKT Aluminum 2.1 Seatpost XL2 is the perfect accessory, developed for those riders who weigh between 240- 320 pounds. The KINEKT XL2 effectively isolates your body from surface vibrations and impacts. This isolation improves comfort, control, and confidence, which ultimately leads to a more enjoyable ride. All posts come with an extra spring so you can mix and match, creating a custom experience. It’s also ideal for those using E-Bikes, which are heavier and transmit more vibration through the bike.

  • The KINEKT Aluminum 2.1 Seatpost XL2 is the perfect accessory, developed for those riders who weigh between 240- 320 pounds. The KINEKT XL2 effectively isolates your body from surface vibrations and impacts. This isolation improves comfort, control, and confidence, which ultimately leads to a more enjoyable ride. All posts come with an extra spring so you can mix and match, creating a custom experience. It’s also ideal for those using E-Bikes, which are heavier and transmit more vibration.
  • SIZE SELECTION: Choose the option with the correct rider weight (lb), post diameter (mm) and post length (mm). To find your post diameter, remove your current post. You should find the diameter printed near the bottom of the post.
  • RIDER WEIGHT: Simply choose your best fit from our base configurations: XL (240-320 lbs).
  • FEATURES: Interchangeable springs | Adjustable pre-load bolt | Available in 25.4mm, 27.2mm, 30.9mm, 31.6mm diameter | Available in Short (350mm) or Long (420mm) length
  • COMPOSITION SPECS: Setback: 12 mm (3.1) 25 mm (3.0) | Travel Range: 0 - 35 mm | Primary Material: Aircraft Grade 6061 AL | Hardware: Stainless Steel | Bushings: Igus | Elastomers: Urethane

User questions & answers

Question: Can this be cut off? My seat post is only 300mm
Answer: I used this for my Camaro ss 2016. The installer also had to modify a braket so the exhaust vapor line could be installed.
Question: dia x 400mm - measurement from minimum insertion line to saddle bars
Answer: It's on the left in my car.
Question: How reliable is the post component compared with a raceface evolve for example? I'm curious if it could break/snap before the spring does
Answer: If Amazon says it for your car then it does. I have a Acura TL which is like the Accord and it fits perfect.
Question: Will kinekt 2.1 xl work reasonably well for 230 lbs. My 2.1 seems to be maxxed out with orange springs
Answer: this is a radiator fan, it is located on the driver side. the fan in the passenger side is AC condenser fan. if the driver's side is out, this is what you need. if the passenger side is out, you will need a condenser fan.

DJC Bike Seatpost Lightweight Aluminum 350mm Length 25.4mm 27.2 28.6 30.4 30.9 31.6 for MTB Mountain Bike Lady Bike no clamp Head Headless

DJC Components

Based on 16 reviews Check latest price

Product description

DJC Bike Seatpost Lightweight Aluminum 350mm Length

 

A lightweight seatpost for all riders. Made in Alu 6061 just 6-6.5oz. Passed international standard ISO 4210. It is a seatpost value for your money.

Note it does not come with the clamp. Pay attention please.

 

Features

  • High Strength but Lightweight: 3D forged Aluminum 6061 and thickness 2.5mm, makes the post strong but lightweight, just 6oz(170g)- 6.52oz(185g). Fit for riders upto 330lbs/ 150kg. Sand blast anode black surface treatment.
  • International Quality Stand Passed: Produced by world largest bike components supplier HL CORP and comply to international bicycle safety standard ISO 4210. 
  • ★Pay Attention to Choose Correct Diameter Size★ . Wrong size will not work and will cause return. Take out your current seatpost, the diameter marked on it’s lower area. Diameter 25.4mm 27.2 28.6 30.0 30.4 30.9 31.6, they are not exchangeable.
  • Clamp not Included: Pack content only a seatpost pillar. No clamp in package. City bike saddle has clamp, but MTB saddle no clamp so you need to find or buy an clamp if you are MTB saddle.
  • 2 Years Warranty: We are confident to the product quality and offer 2 years warranty. Please make sure minimum insertion is 10cm for safe riding.

 

About ZOOM

HL CORP was founded in 1991. The company create famous brand ZOOM in the world with good quality, reasonable price, enjoying good reputation in the industry. HL CORP products are exported far to Europe, USA, ASIA. Its manufacturing and sales are in the leading positions in the industry. 

  • High Strength but LHigh Strength but Lightweight: 3D forged Aluminum 6061 and thickness 2.5mm, makes the post strong but lightweight, only 6oz(170g)- 6.52oz(185g). Fit for riders upto 330lbs/ 150kg. Sand blast anode black surface treatment.ightweight: 3D forged Aluminum 6061 and thickness 2.5mm, makes the post strong but lightweight, just 6oz(170g)- 6.52oz(185g). Fit for riders upto 330lbs/ 150kg. Sand blast anode black surface treatment.
  • International Quality Stand Passed: Produced by world largest bike components supplier HL CORP and comply to international bicycle safety standard ISO 4210.
  • ★Pay Attention to Choose Correct Diameter Size★ . Wrong size will not work and will cause return. Take out your current seatpost, the diameter marked on it’s lower area. Diameter 25.4mm 27.2 28.6 30.0 30.4 30.9 31.6, they are not exchangeable.
  • Clamp not Included: Pack content only a seatpost pillar. No clamp in package. City bike saddle has clamp, but MTB saddle no clamp so you need to find or buy an clamp if you are MTB saddle.
  • 2 Years Warranty: We are confident to the product quality and offer 2 years warranty. Please make sure minimum insertion is 10cm for safe riding.

corki Bike Seat Post Offset 9mm 27.2/30.9/31.6 350mm

Corki

Based on 88 reviews Check latest price

Product description

SeatPost

  • Bicycle seatpost
  • Materail:Aluminum Alloy
  • Color:Black
  • Weight: 330g
  • MTB bike seatposts

Platt Bike Seatpost 25.4/27.2/28.2/30.8/31.6350mm Aluminum Alloy Bicycle Seat Post for MTB Road Bike BMX

PLATT

Based on 14 reviews Check latest price

Product description

Specifications



Material:6601 Aluminum alloy

Diamter:25.4 mm 27.2 mm 28.6 mm 31.6 mm

Length:350 mm

Wall Thickness:3 mm

Color:Black,Blue,Red,Sliver

Weight:About 170 g

USE&FIT:Widely use in most road bicycles, fixed gear bicycles, mountain bikes, downhill bicycles, rail bikes, MTB, etc.





Package Included:



1 x Bike Seatpost

  • 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;
  • SAFE LINE MARK: There is a safety line mark on the seatpost. Please insert at least above the minimum safety line when installing the new seatpost.
  • USE&FIT:Widely use in most road bicycles, fixed gear bicycles, mountain bikes, downhill bicycles, rail bikes, MTB, etc.

Simida Bike Seat Post BMX Seat Bike Seatpost Aluminum Alloy Length 350mm x 25.4/27.2/28.6/30.4/31.6 Black for Most Bicycle Road Bike Mountain Bike Fixed

Simida

Based on 17 reviews Check latest price
  • 【Attention】:Please measure the correct diameter required before buying. Saddle clamp is not included, only suitable for bicycle saddles with clamp.
  • 【Choose Size】: Measure the actual diameter required and choose the same or the most approximate diameter.Please refer to the 7th picture.
  • 【Bike Seatpost Material】: Bike Seat Post is made of 6061 aluminum alloy, strong and durable, never rust.
  • 【Bike Seat Post Size】: Length: 350mm ; Thickness: 3mm ; Diameter: 25.4mm 27.2mm 28.6mm 30.4mm 31.6mm.
  • 【Range of Use】: Suitable for most bicycles,downhill bike, mountain bikes, track bike, fixed gear bicycle, MTB, BMX, DH.

User questions & answers

Question: What is the saddle clamp area dia
Answer: Recommend something a little bigger than this as a supplemental battery for that kind of power
Question: Does it work
Answer: As a secondary battery, it will support 1000 watts. SSAudio Inc. :)
Question: Is it easy to install
Answer: The auto repair center took care of the old battery. Batteries are recycled at most auto repair centers.
Question: Mine is a mountain bike, can it be used
Answer: I have a Mercedes C250 and the vent tube in the battery box connected correctly

Product features

About Bike Seat Post

Bike Seat Post Diameter :

25.4mm(1"); 27.2mm(1.07"); 28.6mm(1.12"); 30.4mm(1.19"); 31.6mm(1.24");350mm(13.8"); Thickness: 3mm(0.12")

How To Choose The Correct Size?

Measure the actual diameter required and choose the same or the most approximate diameter.Please refer to the 7th picture.

Package Include :

Bike Seatpost * 1

Why Choose SIMIDA Bike Seat Post?

VCYCLE Bike Seatpost Clamp Quick Release Aluminium Alloy 31.8mm /34.9mm

VCYCLE

Based on 5 reviews Check latest price
  • VCYCLE Bicycle Quick Release seatpost clamp is a durable and lightweight and makes adjusting seatpost height a breeze.Suitable for road bike and mountain bike
  • Important Sizing Note:The seatpost clamp should match the diameter of the seat tube on your frame and not the diameter of the seatpost its
  • 31.8mm seatpost clamp suits for Frame Seat Tube 27.2mm/28.6mm
  • 34.9mm seatpost clamp suits for Frame Seat Tube 30.4mm/30.8mm/ 30.9mm/31.6mm
  • Lightweight Aluminium Alloy, Only about 39g.

Product features

Important Sizing Note:

The seatpost clamp should match the diameter of the seat tube on your frame and not the diameter of the seatpost itself.

For example, if the seatpost diameter on a bike with a carbon frame is 30.9mm it is very possible that you may need a 34.9mm seatpost clamp.

BNVB Aluminum Alloy Bike Seatpost 25.4/27.2/28.6/31.6 x 350mm for Mountain MTB Road Bike Fixed Gear Bike Seat Post

BNVB

Based on 228 reviews Check latest price

Product description

Specifications:

  • Material: 6601 Aluminum alloy, light weight and durable.
  • Matte Finish: Polished anodized finish,exquisite workmanship and never rust.
  • Diamter: 25.4 mm 27.2 mm 28.6 mm 31.6 mm.
  • Length: 350 mm.
  • Wall Thickness: 3 mm.
  • Color: Black / Red / Blue.
  • Weight: About 170 g.
  • With the general specification of the dimensions of the clamp,it fits most of the saddles (the four sizes commonly used for you).



How to measure and choose the diameter that you need:

  1. Check the diameter mark on your old seat post, normally there's a size mark on your old seat post. For example, if there's a mark " Φ 25.4"on your old seat post, then you can buy a new 25.4mm seat post.
  2. If you have a vernier caliper, measure your old seatpost diameter, or measure the inner diameter of the seatpost hole, then buy a similar size new seat post. For example, if the measurement is about 27.1mm, then select a 27.2mm seat post will do.



NOTE:

  1. This is for a seat post only, the saddle clamp is NOT included. Please buy a saddle clamp separately or remove one from old saddle.
  2. Please do measure and confirm the exact post diameter that you need for your bike. Otherwise you may find it too small or too large for your bike frame seat post hole, then you'll have to spend more time to return it. Thank you for your support.
  3. There is a safety line mark on the seat post. Please insert at least above the minimum safety line when installing the new seat post.

  • 【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.
  • 【SAFE LINE MARK】: There is a safety line mark on the seatpost. Please insert at least above the minimum safety line when installing the new seatpost.
  • 【PAY ATTENTION】: Please choose the size according to the inside diameter of the frame tube. Saddle clamp is not included, please buy the saddle clamp separately if needed.

User questions & answers

Question: What is the O. D. At the reduced section of post
Answer: Your battery doesn't produce power. It only stores it. The vehicle alternator produces power. As far as the ford escape, you will need to find out your oem battery group number and go to the xs power website and do a little homework.
Question: Please excuse my ignorance, but is the top portion a 7/8" mount
Answer: 35 I think.

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