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EVO Kalloy 400mm Bike Seat Stem Post
The replacement bicycle seat post extension fits most types of bikes: mountain, road, and universal bikes. It is available in a range of diameters to fit the different seat tubes, so be sure to measure the frame seatpost tube of your bike to select the correct size.
Strong, but Light
Alloy is known for being both durable and lightweight and is perfect for use in a bike seat post. That's why we use 6061 aluminum alloy in this Kalloy bicycle seatpost. It's a reliable seat post that features a forged top cap and doesn't add much weight to your ride.
Adjustable Clamp
The micro-adjustable clamp allows you to adjust the tilt angle of the saddle to get the most comfortable ride possible. The bike seat rod measures 400mm long but can be cut to the length that suits your needs.
Installation
Simply insert the seat post into the bike frame and lock the seat post clamp.The single bolt can be turned for a customized fit.
Specifications
- Material: 6061 alloy
- Color: Black
- Weight: 350g/12.3oz (25.4mm size)
- Length: 400mm
- Offset: 20mm
- Diameters Available: 25.4mm, 26.0mm, 26.4mm, 26.6mm, 27.0mm, 27.2mm, 30.0mm, 30.9mm, 31.6mm
Choosing the Right Size
The seat posts are smaller in diameter than the stated size to ensure you get the right fit the first time. The diameter listed is for the frame seat post opening, for example 25.4mm. The seat post will actually measure smaller (about 25.0mm-25.2mm) so that it will fit into the 25.4mm opening of your bike frame.
Make sure to measure your bicycle seat post diameter before ordering.
- Check the old seat post for a diameter mark on it and order the same size seat post.
- Use a vernier caliper to measure the old seat post diameter and order the same size seat post.
- Use a vernier caliper to measure the inner diameter of the seat post hole and order a smaller size diameter post to fit into it.
Dennis Nelson
Reviewed in the United States on December 3, 2023
Excellent product great price fast shipping
Kimberley
Reviewed in the United States on April 27, 2021
I have a Old GT mountain bike with an off sized post. 25.4 is to small although that is the size marked on my old seat post and 26 is the big. So this solved problem 25.8 works. It's light weight and a value for the money.
Pietro
Reviewed in the United States on August 4, 2016
Great product, exactly as in picture!
Isaac A.
Reviewed in the United States on June 26, 2016
Nice upgrade for my old 90's era Diamondback.
Robert Brown
Reviewed in the United States on October 6, 2016
This seat post is nice and long, I'm very pleased.
Friend
Reviewed in the United States on July 29, 2014
perfect fit! great look!
Extaca
Reviewed in the United States on October 22, 2014
Love it. I bought an old used bike too replace the one I had stolen. The previous owner had taken a smaller seatpost and aggressively tightened the bolt to make it fit. This is the right size and is far sturdier than the old post. I am a big guy, weigh a bit over 300 lbs. I have used seatposts with the built in swivel mechanism in the past. The problem I tend to run into is the allen screw never seems to tighten enough to take the beating my heft puts on it. So far I don't have that problem. I will post something if that changes.
Martin Q.
Reviewed in the United States on October 16, 2014
Exactly as described, quick shipment, thanks
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