- Alloy brake and shift levers
 - 11 Speed DoubleTap with Zero-Loss shifting
 - 2-Piston open system
 - Piston Size: Fr 19mm, Rr 18mm
 - 2-Piece forged aluminum caliper w/ top loading pads
 - For 140 or 160mm rotors
 - Compatible with 11 speed derailleurs only
 - -01, -02 : Post Mount; -03,-04: Flat Mount”
 - SRAM Model ID: SB-RIV-HRD-A1
 
Specs
                    
                
    0;

            

