Park Tool BBT-49.3 Bottom Bracket Tool - 16 Notch Youth 90% filled with Mobilux NGLI

90% filled with Mobilux NGLI 2 synthetic grease

and includes integrated spoke wrenches for triage of loose or broken spokes

inner and outer plates make for an economical chain choice with all the performance of higher level X-Series chains

Dura-Ace BB9000

Park Tool BBT-49.3 Bottom Bracket Tool - 16 Notch Youth 90% filled with Mobilux NGLIPark 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 Shimano XTR BB93, Dura Ace BB9000, and Token Also fits Shimano STEPS square spindle e bike systems including: E6000, E6002, E6050 Replacement for Shimano TL FC38 tool Manufactured in house by Park