Lezyne sport drive hv pumpthe lezyne sport drive hv is a great value hv hand pump equipped with the versatile flex hose non abs the pump barrel and shaft are made of aluminum with a composite matrix handle and end caps the overlapping handle and barrel with oversized piston and shaft are integrated into a compact design it comes equipped with the flex hose which guarantees a secure threaded connection on both presta and shrader valves featuresmax90psi 62barsize170mmweight100gte