Park Tool, BBT-29, Bottom bracket tool, 39mm and 48.5mm external cups
- Double-ended bottom bracket wrench
- 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)