Check the listing for details. Park Tool BBT-69.4 Bottom Bracket and Lockring Tool - 16 Notch. Condition: New. Listed at 26.95 USD. Park Tool bottom bracket tools for installation and removal of 16 notch bottom brackets.Fits 16-notch tool fittings with a major diameter (outside of notches) of 44–45 mm and a minor diameter (inside of notches) of 42.7 mm, including:. BB80, BB5700, XT BB70, BB51, and previous external bearing threaded bottom bracket cups. Threaded bottom bracket cups from Campagnolo®, Chris King, FSA MegaExo, Hope, SRAM/Truvativ GXP, Race Face X-type, Surly, Wheels, Fulcrum, and others. Center lock disc brake rotor lockrings. Bafang BBSH, BBS02 mid-drive motor lockrings. SHIPS TODAY! Order before 1:30PM EST, M - F, and this item ships the same day! HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us