Brand x m947 cantilever post brake padsthese brand x post type pads use a specially formulated compound for great braking performance in a variety of conditions features sold as 1 pair of pads single piece cantilever brake pads post type hardened steel postsuitable for alloy rims onlysuitable for cantilever brake which use post type mount only length 70mm buy brand x components from chain reaction cycles the worlds largest online bike store