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Road    Bottom Brackets

Full Speed Ahead Mega EXO SL-K BB-8681 Bottom Bracket

The FSA Mega EXO SL-K bottome brackets work with the K-Force Light and SLK Light cranks only. The left cup is slightly more narrow so they will not work on non-Light models.

Other than the diameter-specific bearings for FSA Light models, the BB-8681 has the same features as the standard Mega-EXO BB-8000. The cups are forged, then CNC'd and anodized. Inside the cups, quality steel bearings are pressed in, then sealed with external plastic shields and double O-ring seals. Alloy, platinum-look finished center sleeve snaps into the drive and non-drive side cups. Installation and removal is taken care of with any standard Shimano-style outboard bb tool. Quality threads ensure easy installation.


  • Forged and CNC machined external cup
  • Alloy center sleeve w/ double o-ring seals
  • Compatible with FSA K-Force Light/SLK-Light cranks only
  • 132 grams
Reg Price $54.95
Item #: 135016