Teravail Super Light 29" Tube Lightweight For MTBSometimes tubeless isn't always the best choice. For those times when you don't want to ditch the tubes, but you still want something lightweight, there is the Teravail Super Light 29" Tube. It is designed for high-performance riding and has a removable valve and a 0. 76mm wall thickness. At only 176g, you'll hardly even notice these tubes in your tires. Removable valve core in case you want to add a sealant inside Lightweight at only 176g Ultra lightweight with a 0. 76mm wall thickness | Teravail | Super Light 29" Tube 29, 1. 9-2. 3, 48