Shimano Deore SM-BB52 Bottom Bracket In stock at supplier warehouse - Usually ships within 5 business days. More info
The SM-BB52 is a popular Shimano bottom bracket which is used in countless cranks, e.g. with Alivio, Deore and ZEE. Its 24 mm bearings (Hollowtech II) provide an optimum stiffness-to-weight ratio and rotational efficiency. The SM-BB52 BSA bottom bracket is available in a version for 68 and 73 mm shell widths and in a version for 83mm shell widths.
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The SM-BB52 is a popular Shimano bottom bracket which is used in countless cranks, e.g. with Alivio, Deore and ZEE. Its 24 mm bearings (Hollowtech II) provide an optimum stiffness-to-weight ratio and rotational efficiency. The SM-BB52 BSA bottom bracket is available in a version for 68 and 73 mm shell widths and in a version for 83mm shell widths.
