SKS Rookie XL Mini Pump Bikesportz 5mm hex socket with a

5mm hex socket with a nominal outside shaft diameter of 8mm

GRX Di2 825

Let sit for 10 minutes before use

It's built from machined aluminum construction

Double sealing system

SKS Rookie XL Mini Pump Bikesportz 5mm hex socket with aHigh volume performance with a minimal length. The robust SKS ROOKIE XL bicycle pump provides high volume per stroke and inflates up to a pressure of 5 bar, thanks to the O ring technology and the large diameter. The mini pump is completely dust proof, has a reversible head for all types of valves and is supplied with a 2 point pump holder including a rubber mounting clip. Features Robust and powerful O ring technology for instant pressure build up