Quarq TyreWiz 2.0 Valve Stem Pair - PACK E Exclusive Cons: Can't carry much else

Cons: Can't carry much else

Lever: Ergonomic dimpled alloy lever for better brake feel

Lace Guard asymmetric lacing keeps laces protected from pedals

Not recommended for carbon frames

Compatible with all frames that use standard water bottle mounts

Quarq TyreWiz 2.0 Valve Stem Pair - PACK E Exclusive Cons: Can't carry much elseDifferent 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.