Starting from just 105 g, the GC Tube AR25 T800 Carbon Seatpost is an ultralight, high-performance seatpost engineered for riders who demand exceptional quality, reliability, and attention to detail.
Constructed from high-modulus T800 carbon fiber, it features a 25 mm setback design, CNC-machined 7075-T6 aluminum hardware, and Grade 5 titanium bolts to achieve an outstanding balance of low weight, strength, and safety.
Its premium construction delivers excellent durability and reliable performance, with safety certified according to UNI EN 14766:2006.
Available in four lengths:
- 250 mm
- 300 mm
- 350 mm
- 400 mm
Technical specifications:
- Material: High-modulus T800 carbon fiber
- Diameter: 27.2 mm
- Setback: 25 mm
- Hardware: CNC-machined 7075-T6 aluminum
- Bolts: Grade 5 titanium
- Hardware finish: Black anodized
- Starting weight: 105 g
- Weight in 27.2 × 350 mm: 125 g
- Safety certification: UNI EN 14766:2006
Available in four carbon finishes:
- UD Matte
- UD Gloss
- 3K Twill Matte
- 3K Twill Gloss
The decal color can also be customized, allowing you to match the seatpost to your bike and personal style.
100% Handmade in Italy.
