Paul_G
10 kW
Dual carbon rotors should be fine for that downhill
http://www.bikerumor.com/2011/09/24/gatorbrake-eight-piston-hydraulic-disc-brakes-with-carbon-fiber-rotors/
http://www.bikerumor.com/2011/09/24/gatorbrake-eight-piston-hydraulic-disc-brakes-with-carbon-fiber-rotors/