Ritchey Superlogic 1-Bolt Flexlogic Seatpost - 27.2 350mm 5mm Offset Black 167mm Rear Axle when you will want to

when you  will want to choose an extreme cold wax such as R20 mixed with Arctic Powder

Model Hex Description Freehub Pawl Service Kit - HG/XD/HG11/XD

Modern and sporty Tread design

11t upper and 13t lower pulley wheels

Ritchey Superlogic 1-Bolt Flexlogic Seatpost - 27.2 350mm 5mm Offset Black 167mm Rear Axle when you will want toThe SuperLogic 1 Bolt Seatpost featuring FlexLogic technology brings together simplicity and function in Ritcheys lightest seatpost design. The patented SideBinder clamp uses a single 5mm side bolt that keeps the wide clamp securely fastened while reducing stress on lightweight saddle rails. FlexLogic offers more vibration damping than standard carbon posts due to unique carbon layup methods that provide outstanding performance during longer rides.