Thomson Elite Inline Seatpost - Black Size:30.9mm which will equate to 23-28mm

which will equate to 23-28mm tires used on modern wider rims

On the other hand

We are able to hold closer tolerances by machining than by extrusion alone

$250 and $500 amounts

Thomson Elite Inline Seatpost - Black Size:30.9mm which will equate to 23-28mmThe Thomson Elite seatpost is over 40% stronger on ultimate strength tests than the strongest production seatposts on the market. The Elite has double the fatigue life of any other production models we tested. The tube and head of the Thomson seatpost 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. Its incredibly