Thomson Elite Inline Seatpost - Black PSI They save weight because they

They save weight because they don't need the spider and chainring bolts

Few products have earned the reputation of the Continental GP5000

Lightweight

Light tubes offer perceptible optimization of weight and rolling resistance with a slightly enhanced risk of puncturing due to thinner walls (up to 0

The cycling community echoes that sentiment

Thomson Elite Inline Seatpost - Black PSI They save weight because theyThe 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