Square - bottom bracket with BSA thread, incl. 2 hexagon bolts for crank attachment
for 68 mm case width
Optimal smooth-running performance due to friction-reduced deep groove ball bearings.
The corrosion protection ensures a long service life.
Glass fiber reinforced plastic housing.
Assembly: with Shimano tool
Thread: 1.37 "* 24
Axle length: 119 mm
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