Wezmoto Full Length Race Front Brake Lines Kawasaki ZX9R Ninja ZX900 C1-C2 98-99. Copper Crush Washers. Fitting this kit will bring much improved braking, eliminating that mushy feeling of rubber hoses, up to 60% less expansion than the standard rubber hoses, will never fade due to heat build up and reduce brake lever travel which creates faster braking power and a much improved feel.