Deore BSA For MTB External Bearing

Product description
Model SM BB52 one axis available in a box BB51 upgrade
Weight 93 g
Suitable for 68 mm or 73 mm fiveway consists of three original 25 mm gasket
BB52 Deore M610 crankset original axis
Applicable to the XTR XT SLX DEORE one mountain crankset
FC M582 FC M590 FC M610 FC M660 FC M670 FC M770 FC M780 FC M980
Applies Yu Haomeng one tooth plate