Wheels Manufacturing Bottom Bracket Spacer Pack (Black) (46mm ID)

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From Performance Bike

Wheels Manufacturing Bottom Bracket Spacer Pack Description: This Wheels Manufacturing Bottom Bracket Spacer Pack includes bottom bracket cup and spindle spacers for adjusting chainline or bearing play on various bottom bracket shell types. Note: When used with a Wheels Manufacturing GXP compatible bottom bracket, adding cup spacers between the non-drive side cup and the frame will move the chainrings on a GXP crank closer to the frame (reducing the chainline). For Specialized road frames with the 61mm wide Carbon OSBB shell, you would place 3.5mm of spacers between each cup to effectively widen the BB shell to 68mm when used with non-Specialized cranks.