The Park Tool 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®).
This product was added to our catalog on March 9, 2016
machined aluminum chainring tool that removes and installs lockings found on many Shimano direct mount crank systems. The 36mm hex fitting accepts the Park Tool TWB-36 (sold separately) or crescent wrench in ...