Outside Diameter: 41mm Dispatched in 1-2 days ID: 83323-274234
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  • The BBT-59 is a precision machined aluminium tool for the installation and removal of 16-notch external bearing bottom brackets with an outside diameter of 41 mm.

  • The BBT-59 fits Shimano® Ultegra BBR60.

  • 3/8 inch ratchet/torque wrench drive compatible.

  • Made in the USA and covered by Park's legendary limited lifetime warranty