FSA: BB-8681 - SLK Light Di2 BSA to MegaExo 24mm B
FSA: BB-8681 - SLK Light Di2 BSA to MegaExo 24mm B

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* Oversize cartrdige bearings * Forged and CNC machined external cups * Alloy centre sleeve with double o-ring seal * Anodised cup and sleeve **Compatibility:** * SLK Light MegaExo * SLK Pro MegaExo