Syncros Duncan dropper 2.0 seatpost 170mm travelWetrocknride: Family Run,Quality Driven, Customer Focused and here to help all our customers DROPPER 2. 0 SEATPOST, 170MM TRAVEL The Syncros Dropper 2. 0 seatpost give you the freedom to quickly switch from sprinting uphill or attacking down a descent with the simple press of the remote. Internal cable routing, infinite steps and 170mm of travel round out this package. Range of useMTB MaterialAlloy AL7050 Diameter31. 6mm Offset10 mm Offset Rails