Elite:~ Over 40% stronger on ultimate strength test than the strongest production seat posts on the market. Lightweight - approximately 188g (250 length) for road bikes and 228g (330 length) for mountain bikes. Natural ellipse bore inside tube for optimum strength to weight ratio. Infinite tilt adjustment from -5" to +29".
• The tube and head of the Thomson seatpost are integral-machined from one single piece of high strength 7000 series aluminum
• Seatpost design incorporates a bending fuse to prevent catastrophic failure
• The designs and materials have passed extensive life and ultimate strength tests