The lezyne sport drive hv hand pump is a compact aluminium hand pump which is ideal for high volume tires ideal to keep in your back jersey pocket or in your saddle bag the sport hv is portable lightweight and super efficient the machined aluminium barrel and piston of the pump give strong and lightweight factors to the pump the composite matrix handle of the pump is comfortable to hold and overlaps the barrel for the most compact size when not in use the pump is compatible with presta an