Over 40% stronger on ultimate strength test than the strongest production seatposts on the market.
The tube and head of the Thomson seatpost are integral-machined from one single piece of high strength 7000 series aluminum. The head is not pressed or bonded in. This allows for superior strength and minimum weight, allowing higher strength at low weights.
Lightweight - approximately 188 grams (250 length) for road bikes and 228 grams (330 length) for mountain bikes. Natural ellipse bore inside tube for optimum strength to weight ratio.
Long 1.614 inch (41 mm) seat rail grip length. This helps prevent seat rail bending from impact loads. Most brand-x seatposts have grip lengths of .500 inch or more shorter than our grip length.
The Thomson seatpost design incorporates a bending fuse to prevent catastrophic failure. The Thomson seatpost 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.
Every component of the Thomson seatpost is 100 percent American made. This includes all fasteners and forgings.
thompson, tomson, tompson
|Option||Manufacturer's Part Number||Store SKU|
|Black / 250 / 27.2||SP-E102 BLA||3377|
|Black / 330 / 27.2||SP-E101 BLA||13384|
|Black / 410 / 27.2||SP-E113 BLA||13387|
|Black / 410 / 30.9||SP-E127 BLA||18233|
|Black / 410 / 31.6||SP-E116 BLA||17888|