Quarq TyreWiz 2.0 Valve Stem Pair - PACK E YGroup_7033607684141 it is not pushed uncomfortably

it is not pushed uncomfortably inwards during the pedalling movement

Standare equipment on 780/785 derailleurs

while also supporting the sidewall of the tyre

Suitable for all the Quad Lock cases

Efficient pedalling platform: nylon midsole enhances pedalling efficiency

Quarq TyreWiz 2.0 Valve Stem Pair - PACK E YGroup_7033607684141 it is not pushed uncomfortablyDifferent 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.