Spank Tubeless Valves Pair - Black netsuite-webdata-created this shifter can be paired

this shifter can be paired with any derailleur if you choose to do so

but are excellent for what you pay

tip into a corner though

There is a bleed valve on the side to allow you to drop pressure out too

SRAM's new timing port closure system features durable seals and an ultra-smooth cylinder bore finish

Spank Tubeless Valves Pair - Black netsuite-webdata-created this shifter can be pairedTubeless set up should be a "set it and forget it" affair. SPANK's tubeless valves are constructed of durable brass material, and a tapered round rubber base which fits a wide range of rim designs. Extra long shafts accommodate even the deepest well rims and most troublesome of pumps. Sealed removable valve cores for sealant injection, make set up or topping up a breeze.