Fit Type: They feature youth specific modern lifestyle performance fit

- *Collarbone injuries up to 45% MORE likely WITHOUT a neck brace

Sole Materials: Rubber sole

There is an alternating intermediate knob to help in situations when you need to lean the bike

Quarq TyreWiz 2.0 Valve Stem Pair - PACK B Ignore Wholesale Tier 2 Brand Rule Fit Type: They feature youthDifferent 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.