Gran Compe Zero Shift levers.ISL (Independent Shifting Lever)Ê Ê separate levers for up/down and braking.Independent Shifting Lever.(Shift Up&Down)Carbon Brake Lever Handle.10-Speed system.Anatomic hood cover.Shimano & Sram compatible*.Weight:404g (Pair)Black/CarbonNote:*compatible with SHIMANO 10 speed rear derailleur and cassette gear. *compatible with SRAM 10 speed rear cassette gear but not with SRAM rear derailleur. (SRAM 10 speed shift lever only works with SRAM rear derailleur).