Park Tool BBT-59.3 Bottom Bracket Tool - 16-Notch Regular price $29.95 Quantity - + Fast Free Shipping Over $100 Expected Ship Date: Mon 01 December 3% Cashback As Store Credit Buy now 0 Details Park Tool BBT-59.3 Bottom Bracket Tool - 16-Notch. Park Tool bottom bracket tools for installation and removal of 16 notch bottom brackets. TECH SPECS keyword search Ultegra BBR60 keyword search Deore XT MT-800