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Darimo T1 aero setback 15mm seatpost (Specialized Tarmac SL8)

300mm- carbon 3K matte Stock available
300mm- carbon UD bright Stock available
300mm- carbon UD mat Stock available

Orange patch: shipped about 8 weeks after order

Compatibility: Specialized Tarmac up to SL8 (not compatible with SL6/SL7)
15mm setback
Di2 battery compatible

Looking for a not round seatpost for your top end bike?

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

The weight for this kind of not round seatpost is around 95 grams in 350mm length

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

Each seatpost 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 seatpost there are a different numbers and arrangements of carbon fiber layers. The layers arrangement is obtained after finite elements analysis and destructive testing.

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

Riders weight limit: The Darimo T1 Seatpost 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.


-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: aluminium yokes 
-Black decals

Choose your seatpost length:                                                                                  
To choose the proper seatpost length, measure the length of your seatpost out of the frame. Measure from seatclamp (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. 

250mm: min. 100mm outside frame - max. 175mm outside frame
300mm: min. 145mm outside frame - max. 220mm outside frame
350mm: min. 190mm outside frame - max. 265mm outside frame 
400mm: min. 235mm outside frame - max. 310mm outside frame 

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