When the International Cycling Union (UCI) announced that it was allowing for disc brakes with cyclo-cross bikes there were two quick opinions: the first that it was about time, and the second, now I need to buy a new bike!
Well, fortunately bicycle brake maker TRP saw that not everyone was going to want to replace their bikes, and has now released the Parabox, a system that easily allows cyclo-cross bike owners to convert their bikes to hydraulic discs. The Parabox works with existing cable-based brake levers, via a junction box master that is linked to the levers via two hose-enclosed cables, which activate the cylinder mechanisms within the box. The system further includes front- and rear-specific calipers along with pads, 160 mm rotors and hydraulic lines.
So while this might require a shop to install, it certainly beats buying a new bike!
TRP Official Website
[Via BikeRadar: TRP Parabox disc brake system long-term review]