They feature lots of technology including Vibrocore

The drivetrain embraced by core riders as the All Day best friend is now available in Transmission

XT BR-M776

Jaws sole with a stiffness index of 6

Quarq TyreWiz 2.0 Valve Stem Pair - PACK I PDP|PLP They feature lots of technologyDifferent length valve stems allow TyreWiz 2. 0 to fit on any depth rim Valves are modifiable with different rim seals to fit on any rim shape Lightweight aluminum construction Includes different styles of rim seals (round, square and o ring) Includes 2 valve stems Instruction manual on how to size up the right Valve Stem can be found here at the SRAM website.