The Flow MK4 features Stan's patented Bead Socket Technology for super easy tubeless inflation and best in class bead retention

Material: They are made from Uni-Direction carbon

Each tool is assembled and calibrated at our factory in Minnesota

These lockrings do not have the same machining as the Shimano lockrings and have a flatter face

The two-stage wave shape

Lezyne Macro Floor Drive DV Pump Gift Card The Flow MK4 features Stan'sThe Lezyne Macro Floor Drive pump is a beautifully constructed pump with a steel barrel and composite base. Outstanding value Durable steel barrel and piston Ergonomic, sleek composite matrix handle and base Effortless inflation design Precision gauge Extra long hose with Dual Valve chuck Ultra rigid construction doesn't flex during use Pressure MAX: 220psi 15. 1bar Size: 15 x 20 x 63. 5cm Weight: 1. 4kg