* RED ergonomics including Reach Adjust* SRAM Road 11-speed compatible* Optimized power and modulation for higher speeds and more control* Refined lever body design is more comfortable* Easy access bleed port means convenient service* -01, -02 : Post Mount; -03,-04: Flat Mount* Shift paddle design is lightweight and offers improved finger clearance* SRAM Model ID: SB-RED-HRD-B2