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Limited Edition: eeBrakes Magnum
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Seatpost Adapter – 27.2mm to 30.9mm – .ST27309

(6 customer reviews)

$10.99



In stock

Our Seatpost Adapters quite literally fill the gap, with over 25 sizes available, the combinations are endless. These Seatpost Adapters are compatible with static, suspension and dropper Seatposts.

Quality Material

Not all seatpost adapters are created equally. Our Seatpost Adapters are made of premium quality aluminum and have been manufactured within stringent tolerances to match or surpass the highest quality standards. Our premium manufacturing ensures that these seatpost adapters won’t scratch the post.

Compliance

Our Seatpost Adapters provide the opportunity for riders to tune and adjust the compliance of their ride. By swapping the original seatpost for a post with a smaller diameter, riders are able to maintain the advantages from a strong rigid frame while simultaneously creating a smoother ride.

6 reviews for Seatpost Adapter – 27.2mm to 30.9mm – .ST27309

5.0
Based on 6 reviews
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1-5 of 6 reviews
  1. Verified reviewVerified review - view originalExternal link

    Fast accurate and priced well great value WORKED GREAT !!!

    (0) (0)
  2. Verified reviewVerified review - view originalExternal link

    Part worked perfectly

    (0) (0)
  3. Verified reviewVerified review - view originalExternal link

    Does the job of converting diameters.

    (0) (0)
  4. Verified reviewVerified review - view originalExternal link

    Am having some issues with the post moving on my last ride.. I have now upped the torque on my seat post clamp as well as added some fiber paste to the tube hoping that will help with this dropping on me… in the mean time I marked the post with a permanent marker so if it moves again my tape will be there to help me know where to restore my seat height to …

    (0) (0)
  5. Verified reviewVerified review - view originalExternal link

    Haven’t used it yet, but it came quickly, seems to be made of nice material, and the price was right!

    (0) (0)
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4.7
Based on 30 reviews
5 star
90
90%
4 star
0%
3 star
3
3%
2 star
0%
1 star
7
7%
Jennifer B.
Jennifer B.us
Verified OwnerVerified Owner
5/5

A great small part that helped me use an exiting seatpost!

Verified reviewVerified review - view original

2 weeks ago
Keith Howell
Keith Howellus
Verified OwnerVerified Owner
5/5

Precision machined. I was a little worried about how the seatpost clamp would perform with the adapter, but it works just fine. yeah

Verified reviewVerified review - view original

2 weeks ago
Adam S.
Adam S.us
Verified OwnerVerified Owner
5/5

Fits perfectly. A little snug as it should be.

Verified reviewVerified review - view original

1 month ago