Alloy presta valve extension, hex key fiiting, non-slip pump fittingthe simple way to ensure that you don't get caught without a spare inner tube for your deep section aero rims.These simple but functional lightweight retro-fit adaptors will convert a standard length presta valve into a usable xl valve.The clever woodman designed exterior profile allows for most press-on high pressure pumps to inflate without slippage.Simple to fit:threads onto standard type presta valve as a normal valve cap would do, and features an internal hex-key recess to fully tighten.To install, release the knurled presta valve lock 2 3s of the way along it's spindle
As you normally would to be ready for a pump to be used, and install the extensions onto the valve. Existing air pressure will naturally keep the valve closed and air tight
As it does with other types of valve
And pump pressure will open the valve to inflate. Features:lightweight, precision cnc alloy.Anodised black or red finishsize options: 48mm or 72mm.
Alloy presta valve extension, hex key fiiting, non-slip pump fittingthe simple way to ensure that you don't get caught without a spare inner tube for
