The Thomson Elite seat post is over 40% stronger on ultimate strength tests than the strongest production seat posts on the market. The Elite has double the fatigue life of any other production models we tested. The tube and head of the Thomson seat post are integral-machined from one piece of high strength 7000 series aluminum. The head is not pressed or bonded in. This allows for superior strength and minimum weight. Certified to: EN 14766 2006 MTB and DIN CERTCO: 2006 MTB. It's incredibly lightweight-approximately 201 grams (250 length) for road bikes and 228 grams (330 length) for mountain bikes. The natural ellipse bore inside tube creates an optimum strength-to-weight ratio. We have a long 1.614 inch (41 mm) seat rail grip length. This helps prevent seat rail bending from impact loads. Most other seat posts have grip lengths of at least.5 inches shorter than our grip length. The Thomson seat post has a clamp, head, and upper tube strong enough to withstand 350 foot-lbs of torque. The tube will start to yield and bend at the seat tube clamp at about 250 foot-lbs of torque. Under severe impact the Thomson seat post will bend slightly and allow the rider to come to a safe stop or finish the ride. The Thomson seat post has all parts captive and can easily be attached to a seat without dis-assembly. Infinite tilt adjustment minus 5 Degree and plus 29 Degree. The seats survive heavy impact loads without bending the rails.
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