Quarq TyreWiz 2.0 Valve Stem Pair - PACK A PDP|PLP|Rail Material If you race or dislike

If you race or dislike carrying lots of stuff on your ride

Arch stabiliser for perfect comfort

Enduro and DH riders after high end Centerlock mounting rotor

The skid plate will help you slide without grabbing and jarring

Quarq TyreWiz 2.0 Valve Stem Pair - PACK A PDP|PLP|Rail Material If you race or dislikeDifferent 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.