Fsa sl k alloy mtb stemthe updated sl k stem is lighter than ever just 141g for the 100mm length using high strength 2014 aluminium and sophisticated forging and machining fsa can finely control the amount of material used to cut weight features 3d forged and cnc machined al2014cr mo steel hardware finish black anodised rise 6 clamp size 31 8mm steering tube 118 weight 141gbuy fsa components from chain reaction cycles the worlds largest online bike store