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> Bicycling Catalog > Parts > Seatposts > 3T > Ionic 25 LTD Seatpost
3T Ionic 25 LTD Seatpost

3T Ionic 25 LTD Seatpost

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3T Ionic 25 LTD Seatpost

Ionic is a seatpost design featuring the sophisticated and robust, 3T–exclusive DiffLock seat clamp. Ionic–25 places the seat clamp assembly 25mm behind the seatpost’s centerline. This gives athletes the option of a more rearward position on today’s shorter framesets. The splined alloy DiffLock coupling is a highly accurate method of setting saddle angle, needing only lightweight clamping by side-mounted bolts. It is especially useful for fine adjustment of saddle setback, which can be done without impacting saddle angle. The Ionic–25 Ltd is a monocoque in high-modulus carbon fiber, finished in UD Gloss Black.

- Monocoque high modulus carbon-fiber seatpost
- Alloy Difflock seat clamp fits only saddles with 7mm round-section rails

  • Part Numbers close open

    Option Barcode Manufacturer's Part Number Vendor Number
    Black / 27.2mm / 350mm / 25mm 04897055273222 2033008BXAR38H QBP-ST9406
    Black / 31.6mm / 350mm / 25mm 04897055273246 2033008BXAQ38H QBP-ST9407
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