PRO Vibe Sideclamp Di2 Seatpost - 20mm Offset

The PRO Vibe Sideclamp Di2 Seatpost is a unidirectional carbon road seatpost built to do the job quietly — light, stiff, and designed to take the roughness out of long days on paved roads. At 199g for the 27.2mm version, it's among the more seriously weighted options in the alloy-versus-carbon seatpost conversation, and the matte finish reflects a no-excess design philosophy that runs throughout.

The side-clamp head uses a single-bolt round clamp, which makes dialing in your exact saddle angle straightforward and repeatable. Two clamp inserts are included — one for 7×7mm rails, one for 7×9mm — so it's ready to work with the saddle you already run. The 20mm offset positions you further behind the bottom bracket, which suits riders who prefer a longer, more stretched-out position or simply need the extra setback to dial in their fit. A hollow shaft cavity accepts a Di2 battery directly, keeping your drivetrain wiring clean and protected without requiring additional mounts or adapters.

PRO Vibe Sideclamp Di2 Seatpost Specs at a Glance

• Material: Unidirectional carbon fibre shaft
• Offset: 20mm
• Length: 400mm
• Weight: 199g (27.2mm version)
• Available diameters: 27.2mm, 31.6mm
• Rail compatibility: 7×7mm and 7×9mm clamp inserts included
• Di2 battery compatible