Tellis 125/150/170mmThe SDG Tellis is a newer addition to the growing field of reasonably priced dropper seatposts. Despite its lower price tag, the Tellis impressed with its reliable and consistent performance during testing, both head to head with other competitors and over several months while testing complete bikes. It can't quite match the refined feel or smoothness of our top rated posts, but the difference hardly went noticed out on the trail. The simple two bolt