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Headset Accessories
FSA Top Caps
Margin Booster
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Headset Spacers
Headset Service Parts
FSA Super Light Headset Bearings
Margin Booster
  • Super Light (SL) headset bearings are 25% to 38% lighter than conventional bearings and offer similar durability
  • SL bearings use a steel inner race and ball bearings with an abbreviated outer steel race housed inside an alloy shell
  
item # model description size package in stock?
  FS5152 ACB SL Hybrid MR054R bearing (41mm) 36x45 degree 1-1/8" each NO
  FS5151 ACB SL Hybrid MR042R bearing (42mm) 45x45 degree 1-1/8" each NO
  FS5154 ACB SL Hybrid MR110R bearing (52mm) 36x45 degree 1.5" each YES
  FS5153 ACB SL Hybrid MR128R bearing (52mm) 45x45 degree 1.5" each YES

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