Soft compound with silent braking from friction coefficient enhancers and tailored resinsBest for riders who brake late and hard, ceramic particles offer a high initial bite for precision brakingKevlar fibers provide wear and temperature resistance39Avid Code (2011-2016), Code R, Code RSC / Sram Guide REOrganicQuietGreenSinterUPC/EAN/GTIN: 3838835446765