FSA Headset Bearing - 1.5 - 45x45 - 41.8ODx32.8IDx6H - MR136 - Giant OD2 Upper

Headset bearings for Giant OD2 headsets, with some models available in different material options. SL Light bearings have an alloy outer race to reduce weight, although expect more frequent replacement intervals than with chrome steel or stainless bearings.