Stan's NoTubes - Valve Stem Pair, Universal, Al, Presta 44mm, Blue Sabma the Crest MK4 sets the

the Crest MK4 sets the bar for Gravel and XC wheelsets

af en toe een racefiets

Wheel bearing - Dimensions: 9 X 20 X 6 mm - CEMA SRC ceramic or chrome steel bearing - Double sealed - Colour: silver-black

Patented low-profile tubeless rim design balances lateral stiffness with radial compliance

and a narrower hole on outside of the rim

Stan's NoTubes - Valve Stem Pair, Universal, Al, Presta 44mm, Blue Sabma the Crest MK4 sets theDESCRIPTION: Our lightweight aluminum valve stems are half the weight of our standard brass valves, weighing only 8g, 9g or 10g per valve respectively for the 35mm, 44mm and 55mm models. Secure round base is compatible with most tubeless rims and a perfect fit for all Stan's BST and BST R rims. Removable valve core makes adding sealant easy. Fits up to 8mm valve hole. Available in black, red, blue, green and orange.