FSA Headset Bearing - 1.5 - 45x45 - 41.8ODx32.8IDx6H - MR136 - Giant OD2 Upper Bike Locks This stretch polyester t-neck is

This stretch polyester t-neck is an ideal moisture-wicking base layer while out on the mountain

The sides and neck have been outfitted with synthetic insulating to prevent heat loss in colder conditions

and durable construction ensures longevity in challenging conditions

Its lightweight design allows for unrestricted movement

5L Bottle allows for easy filling and cleaning

FSA Headset Bearing - 1.5 - 45x45 - 41.8ODx32.8IDx6H - MR136 - Giant OD2 Upper Bike Locks This stretch polyester t-neck isHeadset 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.