Firmly push the pump head onto the Presta valve until it bottoms out, then pump. With our fast-on head the valve stem is securely supported so there's no chance of bending, breaking or unseating the valve and no chance of unscrewing your valve core when you remove the pump.
Get One Up.
EDC PUMP SPEC
1-1/4" dia x 7" for 70cc (32mm dia x 178mm)
1-1/4" dia x 10" for 100cc (32mm dia x 254mm)
Weight: 135g - 70cc, 160g - 100cc (without EDC tool system)