Park Tool Shimano BBT-49.3 BB-Cup Tool

Heavy duty shop quality bottom bracket tool For use with 16notch external bearing bottom brackets with a major diameter of 39-40 mm and a minor diameter of 37.6 mm Features integrated threads for full compatibility with the Park Tool BBTRS Bottom Bracket Tool Retaining System Compatible with Shimano XTR BB93 and Dura Ace BB9000 Updated with added depth to fit Shimano STEPS square drive motor For use with a 3/8" ratchet/torque wrench Retailers are not permitted to sell on the Amazon.com marketplace unless authorized in writing by Park Tool