Chuckhead dx upgrade kit

Headchuck head dx fits presta / schrader (schrader valve adapter included) materialaluminum head rubber hose added featurebuilt-in hose pressure air release button size5.4 x 2.4 cm /2.1" x 0.9" (head) 110 cm (hose length) weight23 g / 0.81 oz (head) headchuck head dx fits presta / schrader (schrader valve adapter included) materialaluminum head rubber hose added featurebuilt-in hose pressure air release button size5