Giant G25SP4 Carbon Seatpost (MY25 TCR)

Giant G25SP4 Carbon Seatpost (MY25 TCR)

The Giant G25SP4 carbon seatpost is an original component designed for the latest generation Giant TCR and Liv Langma bicycles, ensuring lightness, structural rigidity, and optimized comfort during pedaling.

Made entirely from carbon fiber, this seatpost is designed to offer the best compromise between power transmission and vibration absorption, improving comfort over long distances without compromising performance. The design is perfectly integrated with the aero and performance frames of the TCR and Langma platforms, ensuring precise assembly and a clean aesthetic.

As an original Giant spare part, the G25SP4 guarantees perfect compatibility with the indicated models and maintains the riding characteristics intended by the frame design.

Key features

Carbon Construction
Lightweight and durable structure that improves pedaling efficiency and reduces the bike's overall weight.

Comfort and Vibration Absorption
Carbon fiber helps dampen vibrations from the road, increasing comfort on long rides and races.

Perfect Integration with Giant and Liv Frames
Specifically designed for compatible TCR and Langma models, ensuring precise installation and maximum stability.

Original Giant Spare Part
OEM component that maintains the specifications and performance designed by the manufacturer.

Technical specifications

• Model: G25SP4

• Material: Carbon

• Platform Compatibility: MY25 TCR / Langma

• Type: Original Giant Seatpost

• Product Code: 17225OB0001A8

Compatible bikes

This seatpost is installed on the following models:

• Langma Advanced 1 (Pro Compact) (2026) – Liv

• TCR Advanced 1 KOM (2025) – Giant

• TCR Advanced 2 (KOM) (2026) – Giant

• TCR Advanced Pro 0 AXS 2025 (2025) – Giant