Topeak master blaster rocket micro cb road for weight obsessed roadies heres 55 grams of pocket sized pumping punch carbon handle and barrel sheath for light weight high pressure design pumps to 160 psi features single action side mount bracket optional centreline mount bracket size 16 x 24 x 21cm seal cap integrated with dust cap head presta valve handle locking carbon capacity 160 psi11bar barrel carbon sheath weight 55g buy topeak accessories from chain reaction cycles the wor