Deda elementi zero rs seatpostthe zero rs seatpost incorporates a 2 bolt headclamp system for a quick and precise saddle adjustment this seatpost is made from high end t6 6061 aluminium with a forged head and is iso4210 approved for performance and safety featuresmaterial 6061 t6 alloyfinish anodised with decal graphicssetback 18mmweight 277g 31 6mmbuy deda elementi components from chain reaction cycles the worlds largest online bike store