“ Brand: Birzman / Type: Tools - Crankset „
"Birzman Bottom Bracket Tool. Tools - Crankset. Birzman Bottom Bracket Tool - Birzman deep socket fitting for all outboard bearing bottom brackets. Fits 1/2"" drive ratchet and completely envelopes the BB cups to ensure slip-free fitment of your expensive Hollowtech 2 BB sets. Birzman Bottom B ...."