Shimano SM-BB92-41B Dura-Ace BB86 Press-Fit Bottom Bracket 86.5mm R9100 R9200

Whether you're upgrading or replacing, this is the go-to bottom bracket forDura-Ace R9100 level performance. Series : Dura-Ace R9100. Shimano Dura-Ace SM-BB92-41B Press-Fit Bottom Bracket – BB86 | 86.5mm.

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