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Bicycle Seat Post

julio 25, 2026

27.2x300mm Bike Seat Post Aluminum Alloy Bicycle Bike Seat Tube Mount Black

Feature:Easy to install. Made of aluminum alloy, durable materials for long time service.Suitable for most of mountain bikes, road bikes, MTB, etc.There is a safe line mark on the seat post. Please insert at least above the minimum safety line.Specification:Material: Aluminum AlloyColor: BlackThickness: 2.4mm / 0.09"Dimension: 300x27.2mm / 11.81"x1.07"(L*D)Hole Size: 27.2x22.4mm / 1.07"x0.88"(OD*ID)Installation Step:1. Release the bolt of the old seat and unload the seat;2. Fix the seat on the new seat;3. Install it on your bicycle rack.Note:The size is measured by hand, so it may have a little 1-2 mm difference.Please do measure the actual outer diameter then choose the actually required diameter or measure the inner diameter of the frame tube before purchasing.Package Included:1 Pcs Bike Seat Post 27.2x300mm Bike Seat Post Aluminum Alloy Bicycle Bike Seat Tube Mount Black Feature:Easy to install. Made of aluminum alloy, durable materials for long time service.Suitable for most of mountain bikes, road bikes, MTB, etc.There is a safe line mark on the seat post. Please insert at least above the minimum safety line.Specification:Material: Aluminum AlloyColor: BlackThickness: 2.4mm / 0.09"Dimension: 300x27.2mm / 11.81"x1.07"(L*D)Hole Size: 27.2x22.4mm / 1.07"x0.88"(OD*ID)Installation Step:1. Release the bolt of the old seat and unload the seat;2. Fix the seat on the new seat;3. Install it on your bicycle rack.Note:The size is measured by hand, so it may have a little 1-2 mm difference.Please do measure the actual outer diameter then choose the actually required diameter or measure the inner diameter of the frame tube before purchasing.Package Included:1 Pcs Bike Seat Post ITEM SPECIFICS Branduauto1Part TypeSeatpostSet IncludesSeatpostMaterialAluminum AlloyColorBlackCompatible Bike TypeUniversalProduct NameBicycle Seat PostShell ColorBlackManufacturer Part NumberDoes Not ApplyDimension300x27.2mm / 11.81"x1.07"(L*D)Package Content1 Pcs Bike Seat PostNet Weight242gupc716058429174 YOU SHOULD KNOW If you have any questions, please feel free to contact our customer service. Our response will be faster than eBay! ABOUT USSHIPPING POLICYPAYMENTRETURNCONTACT US uauto1 is based in United States, selling aftermarket automotive parts and accessories. We believe in FACTORY DIRECT purchases. Our mission is to deliver Lower Prices and Better Quality to consumers and distributors wherever, whenever. We strive to ensure that our products are reliable, updated and that our transactions are smooth and speedy. We are positioned to bring you the latest consumer automotive aftermarket parts and accessories globally and round the clock. We are proud to have served over 500,000 eBay buyers worldwide. International Buyers - Please Note: Taxes and charges are not included in the item price or shipping charges. Buyers are responsible for these charges. Note that delivery times may vary, particularly during peak periods or in climate weather conditions. All items will be dispatched from our warehouse in Kentucky directly. We cannot ship on weekends and we do not offer Saturday, Sunday or holiday delivery. All our items will be shipped to buyer's address, please confirm your address on eBay before you bid. Payment Methods: We accept eBay payment. We appreciate prompt payment and look forward to your business in the future. Unpaid item will be filed without receiving payment in 7 days from listing ended. We offer a 30 day return policy. This is under the following conditions: The item must be unused and in a resalable condition otherwise are not eligible for a refund. All items returned by post are returned at your expense, we cannot be held responsible for this. Please use a traceable service. Please email us to resolve any problem before you leave any feedback to us. We will reply you via email ASAP, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. If no response for you within 48 hours, please check the spam / junk folder in your mail box. DescriptionPolicy 27.2x300mm Bike Seat Post Aluminum Alloy Bicycle Bike Seat Tube Mount Black Feature:Easy to install. Made of aluminum alloy, durable materials for long time service.Suitable for most of mountain bikes, road bikes, MTB, etc.There is a safe line mark on the seat post. Please insert at least above the minimum safety line.Specification:Material: Aluminum AlloyColor: BlackThickness: 2.4mm / 0.09"Dimension: 300x27.2mm / 11.81"x1.07"(L*D)Hole Size: 27.2x22.4mm / 1.07"x0.88"(OD*ID)Installation Step:1. Release the bolt of the old seat and unload the seat;2. Fix the seat on the new seat;3. Install it on your bicycle rack.Note:The size is measured by hand, so it may have a little 1-2 mm difference.Please do measure the actual outer diameter then choose the actually required diameter or measure the inner diameter of the frame tube before purchasing.Package Included:1 Pcs Bike Seat Post ITEM SPECIFICS Branduauto1Part TypeSeatpostSet IncludesSeatpostMaterialAluminum AlloyColorBlackCompatible Bike TypeUniversalProduct NameBicycle Seat PostShell ColorBlackManufacturer Part NumberDoes Not ApplyDimension300x27.2mm / 11.81"x1.07"(L*D)Package Content1 Pcs Bike Seat PostNet Weight242gupc716058429174 YOU SHOULD KNOW If you have any questions, please feel free to contact our customer service. Our response will be faster than eBay! ABOUT US uauto1 is based in United States, selling aftermarket automotive parts and accessories. We believe in FACTORY DIRECT purchases. Our mission is to deliver Lower Prices and Better Quality to consumers and distributors wherever, whenever. We strive to ensure that our products are reliable, updated and that our transactions are smooth and speedy. We are positioned to bring you the latest consumer automotive aftermarket parts and accessories globally and round the clock. We are proud to have served over 500,000 eBay buyers worldwide. SHIPPING POLICY International Buyers - Please Note: Taxes and charges are not included in the item price or shipping charges. Buyers are responsible for these charges. Note that delivery times may vary, particularly during peak periods or in climate weather conditions. All items will be dispatched from our warehouse in Kentucky directly. We cannot ship on weekends and we do not offer Saturday, Sunday or holiday delivery. All our items will be shipped to buyer's address, please confirm your address on eBay before you bid. PAYMENT Payment Methods: We accept eBay payment. We appreciate prompt payment and look forward to your business in the future. Unpaid item will be filed without receiving payment in 7 days from listing ended. RETURN We offer a 30 day return policy. This is under the following conditions: The item must be unused and in a resalable condition otherwise are not eligible for a refund. All items returned by post are returned at your expense, we cannot be held responsible for this. Please use a traceable service. CONTACT US Please email us to resolve any problem before you leave any feedback to us. We will reply you via email ASAP, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. If no response for you within 48 hours, please check the spam / junk folder in your mail box. On May 9, 2024 at 06:49:44 PDT, seller added the following information:
julio 24, 2026

Bike Seat Posts 27.2x350mm Lightweight Post Seat Tube Aluminum Alloy

Suitable for:Universal Lightweight Bicycle Saddle Post is suitable with a wide range of bicycles, such as Road Bike, Mountain Bike, Track Bike, MTB and BMX.OE Number:DoesNotApplySpecification:Material: Aluminum AlloyColor: PurpleLength: 350mm / 13.78"(L)Diameter: 27.2mm / 1.20"(D)Application: Road Bike, Mountain Bike, Track Bike, MTB and BMXProduct Characteristics:3D forged Aluminum, makes the post strong but lightweight, providing a smoother and more comfortable ride.Material:Engineered with aluminum alloy materials, it's built to last, offering a reliable support system for your biking adventures. Adjustability meets endurance, ensuring your comfort and performance on every ride, whether it's a leisurely cruise or an off-road challenge.
julio 24, 2026

Bike Seat Post 27.2x400mm Extra Long Adjustable Angle Aluminum Alloy

Suitable for:Universal Extra Long Adjustable Angle Bicycle Saddle Post is suitable with a wide range of bicycles, such as Road Bike, Mountain Bike, Track Bike, Universal Bikes, MTB and BMXOE Number:DoesNotApplySpecification:Material: Aluminum AlloyColor: Gold ToneLength: 400mm / 15.75"(L)Diameter: 27.2mm / 1.07"(D)Application: Road Bike, Mountain Bike, Track Bike, Universal Bikes, MTB and BMXProduct Characteristics:Extra Length: Help to raise height of saddle, so that tall rider do not have to bent much forward. Clamp is adjustable for the saddle tilt angle, providing a smoother and more comfortable ride.Material:Engineered with Aluminum Alloy materials, it's built to last, offering a reliable support system for your biking adventures.
julio 24, 2026

Bicycle Alloy Pivotal SEATPOST 27.2mm/25.4mm X 330MM Black or Chrome Bikes

There are a lot of bicycle parts and accessories in my E-bay store, please take a look. ThanksOne brand new bicycle seat post.Alloy pivotal seat post . 25.4mm/27.2mm x 330mm or 25.4mm x 150mmItem will be shipped out within 3 business days after a cleared payment received.Please pay within 3 days. Thanks.Return is acceptable in 14 days. Item should be in its original condition==brand new and never been used. Please note shipping is non-refundable.
julio 24, 2026

27.2x300mm Bike Seat Post Aluminum Alloy Bicycle Bike Seat Tube Mount

Feature:Easy to install. Made of aluminum alloy, durable materials for long time service.Suitable for most of mountain bikes, road bikes, MTB, etc.There is a safe line mark on the seat post. Please insert at least above the minimum safety line.Specification:Material: Aluminum AlloyColor: BlackThickness: 2.4mm / 0.09"Dimension: 300x27.2mm / 11.81"x1.07"(L*D)Hole Size: 27.2x22.4mm / 1.07"x0.88"(OD*ID)Installation Step:1. Release the bolt of the old seat and unload the seat;2. Fix the seat on the new seat;3. Install it on your bicycle rack.Note:The size is measured by hand, so it may have a little 1-2 mm difference.Please do measure the actual outer diameter then choose the actually required diameter or measure the inner diameter of the frame tube before purchasing.Package Included:1 Pcs Bike Seat Post.
julio 24, 2026

Universal 31.6x300mm Bike Seat Post Bicycle Mountain Bike Black Pack of 1

Feature:Easy to install. Made of aluminum alloy, durable materials for long time service.Suitable for most of mountain bikes, road bikes, MTB, etc.There is a safe line mark on the seat post. Please insert at least above the minimum safety line.Specification:Material: Aluminum AlloyColor: BlackThickness: 2.4mm / 0.09"Dimension: 300x31.6mm / 11.81"x1.24"(L*D)Hole Size: 31.6x26.8mm / 1.24"x1.06"(OD*ID)Installation Step:1. Release the bolt of the old seat and unload the seat;2. Fix the seat on the new seat;3. Install it on your bicycle rack.Note:The size is measured by hand, so it may have a little 1-2 mm difference.Please do measure the actual outer diameter then choose the actually required diameter or measure the inner diameter of the frame tube before purchasing.Package Included:1 Pcs Bike Seat Post.
julio 24, 2026

Bike Seat Posts Durable Universal Saddle Post Seat Tube

Model:Universal Durable Bicycle Saddle Post is suitable with a wide range of bicycles, such as Road Bike, Mountain Bike, Track Bike, MTB and BMXOE Number:Does Not ApplyApplication:Material: SteelColor: BlackLength: 250mm / 9.84"Diameter: 25.4mm / 1.00"Application: Road Bike, Mountain Bike, Track Bike, MTB and BMXProduct Characteristics:This seat post is not only durable and sturdy but also lightweight, enhancing your riding experience, providing a smoother and more comfortable ride.Material Specification:Material: Engineered with steel materials, it's built to last, offering a reliable support system for your biking adventures. Adjustability meets endurance, ensuring your comfort and performance on every ride, whether it's a leisurely cruise or an off-road challenge.
julio 24, 2026

Universal Piece of 1 Aluminum Alloy, Iron MTB Mountain Bike Seat Post 31.8x500mm

UNIVERSAL: Bicycle Seat Post is suitable for most MTB Mountain Bikes Bicycle.PRODUCT INFORMATION:Material: Aluminum Alloy, IronColor: BlackThickness: 2.5mm / 0.1"Dimension: 500x31.8mm / 19.69"x1.25"(L*D)Hole Size 1: 31.8x28mm / 1.25"x1.1"(OD*ID)Hole Size 2: 22x18mm / 0.87"x0.71"(OD*ID)PERFORMANCE:Usually made of aluminum alloy and iron materials, they are portable and durable and can withstand the bumps and impacts of mountain riding.The seat tube post is equipped with a shock-absorbing device inside, which can effectively absorb and reduce the vibration and impact generated during riding, improving riding comfort.The seatpost post usually has an adjustable feature that can be adjusted according to the rider's height and riding habits to obtain a more suitable riding position and comfort.
julio 24, 2026

Bike Seat Posts 27.2x330mm Carbon Fiber Adjustable Angle Seat 12 mm

Suitable for:Universal Adjustable Angle Seat 12mm Offset Bicycle Saddle Post is suitable with a wide range of bicycles, such as Road Bike, Mountain Bike, Track Bike, MTB and BMXOE Number:DoesNotApplySpecification:Material: Carbon FiberColor: Gloss BlackLength: 330mm / 12.99"Diameter: 27.2mm / 1.07"Application: Road Bike, Mountain Bike, Track Bike, MTB and BMXProduct Characteristics:The innovative adjustable joint design allows you to easily adjust the saddle angle using the upper and lower splints, providing a comfortable riding experience every time. The offset of this seat tube is 12mm, providing a smoother and more comfortable ride.Material:Engineered with carbon fiber materials, it's built to last, offering a reliable support system for your biking adventures.
julio 24, 2026

Bike Seat Post 27.2x350mm Lightweight Saddle Post Seat Tube White Carbon Fiber

Fit for:Universal Lightweight Bicycle Saddle Post is suitable with a wide range of bicycles, such as Road Bike, Mountain Bike, Track Bike, MTB and BMXOE Number:DoesNotApplyProduct Information:Material: Carbon FiberColor: WhiteLength: 350mm / 13.78"Diameter: 27.2mm / 1.07"Application: Road Bike, Mountain Bike, Track Bike, MTB and BMXProduct Highlights:Lightweight and comfortable. Whether you're remounting during the cross race, or abusing them on the trail, you can trust our seatposts, providing a smoother and more comfortable ride.Material: Engineered with carbon fiber materials, it's built to last, offering a reliable support system for your biking adventures. Adjustability meets endurance, ensuring your comfort and performance on every ride, whether it's a leisurely cruise or an off-road challenge.