SRAM DUB BSA Bottom Bracket Wrench Regular price $35.00 Quantity - + Fast Free Shipping Over $100 Expected Ship Date: Mon 01 December 3% Cashback As Store Credit Buy now 0 Details SRAM DUB BSA Bottom Bracket Wrench. The SRAM DUB Bottom Bracket Wrench is designed for use with SRAM DUB threaded bottom brackets.3/8" ratchet compatible allows you to torque your bottom bracket to spec