The deda logo stem is made from drop forged 6061 light alloy thats t6 heat treated its available in 60 and 70mm lengths key features light alloy stem 6061 light alloy t6 heat treated flip flop reversible available in 60mm and 70mm lengths technical specifications extension mm 60 70 80 90 100 110 120 130 fork steerer 286mm 118 bar 260 extension angle 80deg 42mm fork clamp stack height weight 178g