Quarq TyreWiz 2.0 Valve Stem Pair - PACK H Heavy/Bulky protects from the elements and

protects from the elements and enhances vision with Prizm™ Lens Technology

Slim silhouette and tapered lower leg reduces snag and drag

Chainring: A chainring is not included

head and pump handle and is designed with an increased barrel diameter to push more air per stroke up to a max of 90 psi

for a little more sun protection or riding on cooler days

Quarq TyreWiz 2.0 Valve Stem Pair - PACK H Heavy/Bulky protects from the elements andDifferent 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.