Shock Drive 400psi Shock PumpThe Lezyne Shock Drive 400psi Shock Pump is the ultimate portable pumping solution with aluminium construction and lightweight design for maximum quality and durability.An ergonomic handle maximises pumping comfort, providing upto 400psi. To gauage accuracy, the diaphragm gauage gives excellent support and is encased in a supportive, hardwearing and durable matrix to improve grip. The unique zero-loss design releases the valve pin on the tyre which in turn seals the shock. Features:Lightweight and compact designAccurate analogue gauageFlexible hose connectionMaxi Pressure 400psiBuy Lezyne Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.