Dt swiss rws mtb steelthe rws on the mtb side of things featuring a steel axle with its alloy lever this mtb steel version is strong and reliable it will always give the rider a strong connection between wheel and frame or fork ensuring a safe and precise ride at all times features axle material high strength swiss steel lever material aluminium axle diameter 5mm weight 50g 100mm 54g 135mmbuydt swiss wheels tyresfrom chain reaction cycles the worlds largest online bike store