Perfect for taking on every ride unique park i beam technology is strong compact and lightweight the i beam creates a structure to mount all the tools onto 15 2 25 3 4 5 6 and 8 mm wrenches cover most fixings on a bike including many crank bolts a t25 star shaped wrench is useful for disc brake rotor bolts a straight blade screwdriver is ideal for adjusting screws on brake and gear components all tools fold into the i beam to create a neat regular shape that will slip easily