Ritchey WCS Streem Saddle Carbon Black 145 Width CheckoutSpec= Black Pair Double or Triple Double Double Double or Triple Double Double or Triple Triple Rear Der Shifter Compatibility Shimano Road Mount Type Bar End Drivetrain Speeds 9 Weight 162 End Type Shimano SRAM keyword search bar end shifter Front Der Shifter Compatibility Friction Color Black Rings 50 34 Number of Chainrings Double Crank Length (mm) 170 Crank Intended Use Road Drivetrain Speeds 12 Weight 754 BB Included No Pedal Spindle 9 16" Spindle Interface Type Shimano Hollowtech II Chainring BCD 110 Shimano Asymmetric Chainline Hub Compatibility 135 142 Road Disc Hubs > 415 mm Chainstay Defined Color Black keyword search 105 width:100% Patented Vector Wing mounting points away from sit bones to reduce pressure and hot spots