Ritchey Comp Zero Carbon Seatpost: 30.9mm 400mm Black CheckoutSpec= Aprium Purple Dynamic round-trip routing adds workout Ride like a local CheckoutSpec= TA-D J593618 Size:650B X 47

Ritchey Comp Zero Carbon Seatpost: 30.9mm 400mm Black CheckoutSpec= Aprium Purple Dynamic round trip routing adds workout Ride like a local CheckoutSpec= TA D J593618 Size:650B X 47 Dynamic round trip routing adds workout variety providing turn by turn directions to meet your target distance and return on time Replaceable chainrings Rings 48 38 28 Number of Chainrings Triple Drivetrain Speeds 8 Chainring BCD 64 Chainline Hub Compatibility 135 142 MTB Hubs Color Black Crank Length (mm) 175 Crank Intended Use Mountain BB Included No Pedal Spindle 9 16" Spindle Interface Type Square Taper JIS Defined Color Black Crank Length 175Mm Chainring Sizes 48 38 28T