Darimo - T1 Loop Seatpost Aero (Not Round)

Looking for a not round seat post for your top end bike?

Here you have the solution. Now you can change your original not round seat post and remove weight in one of the most important places of the bike. The weight removed in seat post and saddle is very important as it’s far from the ground, then the pendulum effect is reduced drastically.

The main post is made of carbon fiber using bidirectional and unidirectional fabrics with a studied asymmetrical laminate to achieve the optimum combination of minimum weight and maximum of resistance.

Each seat post is laminated by hand to achieve a record weight keeping in mind the strength and your safety. To do this, at each point of the seat post there are a different numbers and arrangements of carbon fiber layers. The layers arrangement is obtained after finite elements analysis and destructive testing.

The totally new designed clamping system is made with two ultralight Dyneema® loops. That makes a very important weight reduction on the head of the seat post / clamping system. This system is good for all kind of rails, including carbon rails 7*9mm.

Finishing: There are four possible finishes with the combination of gloss or matt,

Finishing: Bright – Mat, Bidirectional (3k) or unidirectional (+4g), customizable colours.

Riders weight limit: The Darimo T1 Seat post is safe and has passed the standard ISO 4210-2 tests, however it is not recommended for more than 90 kg. If you weight more than 90 kg we will reinforce it for you.

Use: Road, cyclo-cross and MTB.

Max. Length: 800mm.


-Post: Unidirectional and bidirectional carbon fiber fabrics.

-Shaft and barrels: Anodized 7075 T6 Alu.

-Bolts: Ti Gr5 M5.

-Cradle:Unidirectional and bidirectional carbon fiber fabrics.

-Clamping system: 100% Dyneema® Loops

Weight : 95 grams in 350mm version.

Choose your seat post length:

To choose the proper seat post length, measure the length of your seat post out of the frame. Measure from seat clamp (top of vertical tube) to saddle rails centre. Then choose the appropriate size in the following table. If there are two possibilities it is recommended to take into account the variation and use of the bicycle by different riders.

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