
Ultralight Titanium Seatpost Clamp for T Line
The Union Jack TX4 Titanium Seatpost Clamp is specifically designed for Brompton T Line bicycles, offering a premium upgrade with significant weight savings and enhanced durability. Precision CNC-machined from high-grade titanium alloy, this ultralight seatpost clamp weighs just 28g while providing secure and reliable clamping performance. The titanium construction offers excellent corrosion resistance and strength, making it ideal for daily use in all weather conditions while maintaining the lightweight performance that T Line riders demand.
Designed as a direct replacement for the stock seatpost clamp, this upgrade enhances your Brompton's overall performance by reducing weight at a critical junction point. The secure clamping design ensures your seatpost stays firmly in place during every ride, while the quick-release mechanism allows for fast, tool-free height adjustments. Available in a sleek black finish that complements the T Line's premium aesthetic.
Premium Titanium Construction
- Ultralight at just 28g—significant weight reduction compared to standard steel clamps.
- Precision CNC-machined from high-grade titanium alloy for optimal strength-to-weight ratio.
- Specifically designed for Brompton P Line and T Line models for perfect fit and compatibility.
- Excellent corrosion resistance ensures long-lasting performance in all weather conditions.
- Quick-release mechanism allows for fast, tool-free seatpost height adjustments.
- Secure clamping design keeps seatpost firmly in place during riding.
- Black finish complements the premium aesthetic of P Line and T Line bicycles.
- Direct replacement for stock seatpost clamp—easy installation with no modifications required.
- Durable titanium construction withstands daily use and tough riding conditions.
- Reduces overall bike weight for improved performance and portability.
- Also available in Gold and Silver finishes to match your bike's style.