Odyssey boss bmx stemthe odyssey boss bmx stem is based on the popular odyssey tl48 stem as it was so strong reliable and popular this specific model is the signature stem of the professional rider aaron ross featuring a classic top load design with a comfortable but precise 52mm reach and 35mm rise it is suited to all styles of bmx freestyle riding featuresmaterial 6061 t6 aluminium cnc machinedreach 52mmrise 35mmweight 312gbuy odyssey components from chain reaction cycles the world