Hayes cx 5 disc brake fr 140mm pmbuilt with the rigors of cyclocross in mind the hayes cx 5 disc brake is made out of forged aluminum and polished to give it that eye catching look the cx 5 gives you the stopping power and modulation you cant achieve with traditional cantilever brakes features weight 320g caliper weight 195gpad retention bottom loadrotor l seriesbuy hayes components from chain reaction cycles the worlds largest online bike store