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Niner RDO Carbon Seatpost

Item #: SE255A00
From USD$149.00 SAVE 25% USD$199.00 msrp
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Niner RDO Carbon Seatpost

Trick out your ride with Niner's carbon RDO post! It's Unstiff Carbon Layup deflects up to twice as much as traditional seatposts - that means additional comfort on the trail. This seatpost uses no bonding, eliminating weak joints between materials and shaving weight.
  • Simple, strong, bulletproof 2-bolt clamp design
  • Zero setback
  • Claimed 210-220 grams
Did we mention it comes in a plethora of Niner colors to perfectly complement your ride?
4.9 / 5.0
16 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
15
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1
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0
Seems ridiculous but it's nice
I read a LOT about this before I decided to drop this kind of money on a seat post. Overall, I am very satisfied with the purchase. Many people used a very daring word, suspension, when reviewing this product. No, it is not suspension. If you expect suspension then buy something other than a hardtail. Put this on my hardtail 29er that has basically just the original frame at this point. It was hard for me to justify a seat post but for how many miles I ride I thought it would be worth it. It is. Riding on a hard tail I am very used to standing up or at least floating over the seat in anticipation of bumps. Didn't realize how much I actually did that until I added this seat post. I find myself comfortable sitting through much more clutter than before. Large roots and rocks are still the same but I highly recommend this as an upgrade for a fairly aggressive rider on a hardtail. I'm giving this the highest rating only because I believe it is the best of the best. Is it necessary?...well that's for you to decide.

PROS: Lightweight, Attractive Design

CONS: NONE
April 4, 2013
Location:
Oklahoma City, OK
The Niner RDO Carbon seat post is like a carbon fork.
The Niner RDO Carbon seat post is like a carbon fork. Once you try one you will never ride anything else!!

I was a tad skeptical of the reviews saying it smooths out all the little bumps.
But I have a 2 hour ride around my house with hundreds of pressure ridges and raised tree root cracks in the blacktop, so I had some extra money and a discount code and decided to try it.

Now, I do this ride without thinking about the ridges I am riding over.
In fact it smooths out the ridges so well I keep checking my rear tire to see if it is losing air, you know that feeling as you go over bumps and the tire response feels too soft so you know you're losing pressure.

I have been riding this seat post for ~3 months now and I still can't stop myself from looking down to check my back tire.

If you like riding stiff high spoke tension wheels and high pressure tires because they spin up so nice than this is the seat post to go with them.

Most seat posts just hold your seat on you bike, this seat post becomes an active part of your bike making riding even more enjoyable.

PROS: Dampens Road Shock, Lightweight

CONS: Expensive

BEST USES: All Riding Without Suspen, Upgrade
July 14, 2015
Location:
San Diego
awesome seatpost
Really smooths out some bumps on a rigid hardtail.

PROS: Easy To Install, Lightweight, Durable, Attractive Design, Very Compliant

CONS: Price
November 22, 2013
Location:
Georgia
I would buy this product again
Perfect delivery - JIT.

PROS: Lightweight, Durable
September 21, 2016
Location:
Santiago, Chile
Gods gift to Carbon HT riders
I have a Giant XTC Composite 29er 1, and with the huge carbon tubing and massive junctions, this bikeis unbelievably stiff. Which is good, but I was sore in the back and butt all the time. So , I would stand up through anything rough, and waste tons of good pedaling energy. Now I have the RDO post, and I cant beleive how much different I feel after a ride. It has flex, you can barely feel it, but the next morning, you will not be nearly as sore. This post is one of the best bike parts I have ever bought, ...yes it's pricey, but when u see the quality of the finish, the clamp, and the graphics, you would agree that it's well worth the price...that's after you feel how much it improves the ride quality. This product is so sweet that it makes me want to buy a Niner Air 9!!!

PROS: Durable, Lightweight, Attractive Design, Perfection, Easy To Install

BEST USES: Upgrade, Racing, Mountain Biking
August 28, 2014
Location:
pittsburgh
Light and compliant
On time no problems

PROS: Easy to Use, Lightweight
May 31, 2016
Location:
Al.
Just What I Needed
Was looking for a light post for my race bike. This fit the bill at the right price.

PROS: Looks Good, Lightweight
October 14, 2016
Location:
North Alabama
Great Seatpost
First time switching to Carbon. As the claim states this seatpost does indeed make a more comfortable ride.
September 18, 2016
Location:
Wausau, WI
It has the flex and comfort as claimed great post.
I do moderate trail riding. The build is a ros9 I'm trying to keep it as light as possible, the post is light. Niner got this one real good, you can feel the flex that gives a smooth ride.

PROS: Smooth Ride, Easy To Install, Lightweight, Great Look, Attractive Design, Durable

CONS: Use Carbon Lub

BEST USES: Frame Up Build, Mountain Biking
October 11, 2015
Location:
St. Augustine, Florida
RDO Carbon Seatpost
Replaced the bontrager seatpost that my Trek came with. Absorb some of the vibrations.

PROS: Easy To Install, Durable, Attractive Design, Lightweight

BEST USES: Mountain Biking, Upgrade
August 25, 2015
Location:
Cleveland, Oh

Q & A

Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 1 question Browse 1 question and 1 answer
Does it work with carbon rails?
Axj131 on May 30, 2016
BEST ANSWER: yes.

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Free Shipping Offer

Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.