Park Tool BBT-29 External Bottom Bracket Tool

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Double-ended wrench fits two different external-notch bottom bracket tool fittings Compatible with 16-notch fittings with a 39mm OD and 16-notch fittings with a 48.5mm OD Fits Shim ano Dura-Ace 9000 series and XTR 980 series, FSA MegaEvo, and others Authorized Park Tool Dealer: We offer Full Park Warranties The BBT-29 is a double-ended bottom bracket wrench designed to fit 16-notch bearing cups with an outside diameter of 39mm (e.g. Shimano® Dura-Ace® 9000 series and XTR® 980 series) as well as 16-notch bearing cups with an outside diameter of 48.5mm (e.g. FSA® MegaEvo®). Show more