Thomson - Seatpost Collar Black 29.8 They have a Porelle membrane

They have a Porelle membrane for waterproof breathable performance and a bamboo mix inner for great moisture management

The Thomson seatpost has a clamp

Replacement Lezyne ABS MFDR hose with digital gauge for Micro Floor Drive pumps

So light you will forget you are wearing it

and the ABS-1 Pro Tubeless Chuck

Thomson - Seatpost Collar Black 29.8 They have a Porelle membraneThe Thomson Seatpost Collar has several features that make it distinct. The collar utilizes the Thomson Seatpost bolt, washer and barrel nut combination that has proven strong over the years. This fastener combination allows float on both sides of the collar slot ensuring consistent clamping force. The bolt hole angle, height of the collar and offset slot all help create a collar that generates maximum clamping force at only 25 inch pounds of fastener