This uses velcro to stay in position

Sole Materials: Carbon-reinforced XC12 sole with rubber grip and TPU tread inserts

44mm CushCore Presta air valve

and both left and right 45° offset locations

grip is 110mm

SDG Tellis V2 Dropper Post - 34.9mm - Internal - Stealth - 230mm Drop - 612.5mm Length - No Remote Supplied Images Uploaded - Ready for Review This uses velcro to stayDurability. Simplicity. Elevated. Durability was the foundation that Tellis was designed upon. With IGUS bushings, a sealed Wintek cartridge and Trelleborg main seal, the Tellis virtually does away with maintenance problems experienced by other seat posts. Put simply, less moving parts means less chances for failure. The new Tellis V2 features a new patent pending low stack height head (10mm lower than the original Tellis) as well as easy side access