Park Tool SCW-17 17mm Shop Cone Wrench BX PSI The helmet's design and ventilation

The helmet's design and ventilation have been put to the test on track to ensure both speed and comfort

Material used for rim: Aerospace grade carbon

an ultra-durable dual-density rubber cup sole with all-new super sticky GRIPR rubber compound in the pedal contact area and a super-cushy internal EVA midsole

Consistent shifting performance under load

a single 16g co2 cannister

Park Tool SCW-17 17mm Shop Cone Wrench BX PSI The helmet's design and ventilationThe standard of the industry, Park Tool Shop Cone Wrenches are unmatched in quality and performance. The special "Y" head design puts more material where it's needed for strength and durability. Precision sizing and a military grade industrial phosphate finish ensure an accurate fit and consistent quality. Thin enough to use on the narrowest of adjusting cones, our Shop Cone Wrenches have a long, vinyl dipped handle for leverage and comfortable use.