Deda elementi rsx 01 seatpostsame design of twin bolt adjustment of rsx 02 setapost but available in 6061 light alloy at very high quality to price ratio features material alloy 6061 length 350mm diameter 272 and 31 6mm setback 21mm weight 295g 31 6mm compatible with deda adapter for di2 internal batterybuy deda elementi components from chain reaction cycles the worlds largest online bike store