Hayes Prime Expert Disc Brake

Prime Expert: Standard hose, steel hardware, push rod, and semi-metallic pads
- Poppet Cam provides tool free, on the fly adjustment of the dead stroke
- Increased mechanical advantage throughout lever stroke
- Top loading pads with new pad design and material
- Crosshair disc brake adjustment system allows you to very quickly and very accurately align your calipers with a hex key set screw
- Rotors and adpaters sold separately