From 1-by-S, the Zero Offset Carbon Seatpost is now available. For 43mm saddle rails only. ■ 43mm saddle rail only ■ Clamp: 43mm ■ Body: Soft UD ■ 330mm ■ 189g (27.2mm) ■ Offset: 0mm ■ Body: Carbon Monocock ■ Clamp: Aluminum ※ Product color may differ from the actual product depending on your display type etc. Product specifications, logo design, etc. may be subject to change for product improvement. We also cannot answer measurements or personal fit that the manufacturer does not announce. Thank you for your understanding.