Park Tool BBT-59.3 Bottom Bracket Tool - 16-Notch BOX Lever size (Finger): 2

Lever size (Finger): 2

handlebars and stems happen due to making adjustments without using torque

Shifters: Shimano Deore M6100

The bar offers an 80mm reach and 125mm drop

Park Tool BBT-59.3 Bottom Bracket Tool - 16-Notch BOX Lever size (Finger): 2A precision CNC machined aluminum tool for the installation and removal of select threaded bottom brackets with 16 notch tool fittings, including Shimano Ultegra BBR60 and Deore XT MT 800 bottom brackets. Manufactured in house by Park Tool, anodized for easy identification and featuring a ratchet torque wrench compatible 3 8" drive. The BBT 59. 3 features integrated threads for full compatibility with the Park Tool BBT RS Bottom Bracket Tool Retaining