UPANBIKE Bike Seat Post Aluminum Alloy Length 350mm Diameter 30.8mm Bicycle Seatpost Black for Mountain Bike Road Bicycle
UPANBIKE Bike Seat Post Aluminum Alloy Length 350mm Diameter 30.8mm Bicycle Seatpost Black for Mountain Bike Road Bicycle
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UPANBIKE Bike Seat Post Aluminum Alloy Length 350mm Diameter 30.8mm Bicycle Seatpost Black for Mountain Bike Road Bicycle

4.4 stars out of 47 reviews
(4.4)|
47 ratings

Key item features

  • Material: Made of 6061 aluminum alloy, ensuring strength and durability.
  • Dimensions: Length of 350mm and available diameters of 25.4mm, 27.2mm, 28.6mm, 30.8mm, and 31.6mm.
  • Safety Feature: Includes a safe line mark; ensure insertion above the minimum safety line.
  • Weight Limit: Not recommended for loads over 220 lbs (100kg).
  • Color: Anodized matte black surface for a sleek look.
  • Package Contents: Includes 1 bike seat post; saddle clamp not included.
  • Important Notice: Measure the required diameter before purchasing to ensure proper fit.
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Current price is $10.00
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4.321295143212952 stars out of 5, based on 803 seller reviews(4.3)
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UPANBIKE Bike Seat Post Aluminum Alloy Length 350mm Diameter 30.8mm Bicycle Seatpost Black for Mountain Bike Road Bicycle
UPANBIKE Bike Seat Post Aluminum Alloy Length 350mm Diameter 30.8mm Bicycle Seatpost Black for Mountain Bike Road Bicycle
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Comparison Chart:
MaterialAluminum alloyUPANBIKE Bike Seat Post Aluminum Alloy Length 350mm Diameter 30.8mm Bicycle Seatpost Black for Mountain Bike Road Bicyclealuminum alloyWHAMVOX Durable Aluminum Alloy Bike Seatpost for Reliable Performance and Safety Black Fits Most Bikes 27.2mm x 300mm铝合金Seat Post Seatpost Sitting Tube Mountain Bike Fixed Gear Aluminium Alloy for Bicycles UsePlastic/Metal/ABS/AlloyBicycle Seat Post Aluminum Alloy Lengthened Tube Rod Road Mtb Bike AccessoriesAluminium Alloy 6061 T6UPANBIKE Bike Seat Post φ 27.2, 13.8inch (350mm) Bicycle Aluminium Alloy Seat Post with Micro Adjust Clampaluminum alloyPractical Bike Seat Post Durable Seatpost Adjustable Bar Aluminum AlloyAluminumLightweight Alloy Bike Seatpost Seat 25.4mm x 250mm Black Fixing Accessories Parts
Bicycle typeMountain BikesUPANBIKE Bike Seat Post Aluminum Alloy Length 350mm Diameter 30.8mm Bicycle Seatpost Black for Mountain Bike Road BicycleSpin BikesWHAMVOX Durable Aluminum Alloy Bike Seatpost for Reliable Performance and Safety Black Fits Most Bikes 27.2mm x 300mmMountain BikesSeat Post Seatpost Sitting Tube Mountain Bike Fixed Gear Aluminium Alloy for Bicycles UseRoad BikesBicycle Seat Post Aluminum Alloy Lengthened Tube Rod Road Mtb Bike AccessoriesMountain BikesUPANBIKE Bike Seat Post φ 27.2, 13.8inch (350mm) Bicycle Aluminium Alloy Seat Post with Micro Adjust ClampMountain BikesPractical Bike Seat Post Durable Seatpost Adjustable Bar Aluminum Alloy-Lightweight Alloy Bike Seatpost Seat 25.4mm x 250mm Black Fixing Accessories Parts
Weight200 gUPANBIKE Bike Seat Post Aluminum Alloy Length 350mm Diameter 30.8mm Bicycle Seatpost Black for Mountain Bike Road Bicycle0.36 lbWHAMVOX Durable Aluminum Alloy Bike Seatpost for Reliable Performance and Safety Black Fits Most Bikes 27.2mm x 300mm0.39 lbSeat Post Seatpost Sitting Tube Mountain Bike Fixed Gear Aluminium Alloy for Bicycles Use0.31 lbBicycle Seat Post Aluminum Alloy Lengthened Tube Rod Road Mtb Bike Accessories400 gUPANBIKE Bike Seat Post φ 27.2, 13.8inch (350mm) Bicycle Aluminium Alloy Seat Post with Micro Adjust Clamp0.39 lbPractical Bike Seat Post Durable Seatpost Adjustable Bar Aluminum Alloy0.28 lbLightweight Alloy Bike Seatpost Seat 25.4mm x 250mm Black Fixing Accessories Parts
ColorBlackUPANBIKE Bike Seat Post Aluminum Alloy Length 350mm Diameter 30.8mm Bicycle Seatpost Black for Mountain Bike Road BicycleBlackWHAMVOX Durable Aluminum Alloy Bike Seatpost for Reliable Performance and Safety Black Fits Most Bikes 27.2mm x 300mmBlackSeat Post Seatpost Sitting Tube Mountain Bike Fixed Gear Aluminium Alloy for Bicycles Use-Bicycle Seat Post Aluminum Alloy Lengthened Tube Rod Road Mtb Bike AccessoriesBlackUPANBIKE Bike Seat Post φ 27.2, 13.8inch (350mm) Bicycle Aluminium Alloy Seat Post with Micro Adjust ClampBlackPractical Bike Seat Post Durable Seatpost Adjustable Bar Aluminum AlloyBlackLightweight Alloy Bike Seatpost Seat 25.4mm x 250mm Black Fixing Accessories Parts
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Customer ratings & reviews

4.4 out of 5 stars
stars47 ratings18 reviews
How item rating is calculated

Reviews summary

Pros
  • : Offers customizable fit with various size options.
  • : Fits with minimum insertion depth.
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Showing 1-3 of 18 reviews

Jul 11, 2025
anonymous
Item details
Size: 25.4mm*350mm
Sold byAbuyamoyDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Fits great, exactly what it is

Its exactly what I needed and it fit great, my seat already had the attachment so it fit right in and I tightened it

Incentivized Review
Helpful?1VAF2M1PHFZ0407275137
Aug 17, 2025
Nohelani
Walmart Associate
Item details
Size: 25.4mm*350mm
Sold byAbuyamoyDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Love it fit my bike perfect

Incentivized Review
Helpful?1VAF2M1PHFZ0407275137
Aug 24, 2025
Walmart customer
Walmart Associate
Item details
Size: 25.4mm*350mm
Sold byAbuyamoyDelivered byWalmart
5 out of 5 stars review

Verified Purchase

350 mm extended seat post

Be sure to measure carefully for the correct seat post size.

Incentivized Review
Helpful?1VAF2M1PHFZ0407275137