40mm effective length. Threaded valve extensions for use with removable valve core prestavalves. Allows deep section rims to be converted to tubeless use by way ofexternal threads for securing the presta nut.
Brand: Stans No Tubes
Model: Valve EXtenders
Length: 4
Width: 1.2
Height: 0.1
Weight lb: 0.1
Part Number: AS0034
Barcode: 183720000441