RaceFace Turbine SL Dropper Seatpost - 31.6 100mm Travel Black Model=Orbis E600 Ebike Headlight In racing KX30 is often

In racing KX30 is often used as the “in between” klister on top of KX20

lowest resistance and least warming for high-intensity activity

ID 1-1/8" size 2mm

and double-pole like it means it

RaceFace Turbine SL Dropper Seatpost - 31.6 100mm Travel Black Model=Orbis E600 Ebike Headlight In racing KX30 is oftenRaceFace Turbine SL Dropper Seatpost 31. 6 100mm Travel Black. The light yet still full of might Turbine SL dropper post brings durable versatility to your XC and trail riding. With a best in category weight the simplicity of two position adjustment and an ability to attach your cable in either direction for compatibility with all dropper levers the SL gives you dropper performance without adding more bulk. Zero Offset 2 bolt head Mechanical actuation