Check the listing for details. Park Tool BBT-49.3 Bottom Bracket 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 threaded bottom bracket tool fittings with a major diameter (outside of notches) of 39-40 mm and a minor diameter (inside of notches) of 37.6 mm. Fits XTR BB93, Dura-Ace BB9000, and Token. Also fits STEPS square spindle e-bike systems including: E6000, E6002, E6050. Replacement for TL-FC38 tool. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive. 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