The Deore SM-BB52 bottom bracket cups for Shimano cranksets with integrated axle offers better sealing performance than the precursor version SM-BB51.

The seal design provides smooth rotation and longer durability. 

For example compatible with: 

FC-T551

FC-T611

FC-M552

FC-M590

FC-M610

FC-M612

FC-M615

FC-M622

FC-M625

FC-M640

FC-M645

Specifications

Material: Aluminium, Steel

Weight: approx. 88g

BSA/ITA: BSA (1,37 x 24)

Bottom bracket spindle profile: integrated axle

Case width: 68mmm, 73mm

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