B.B. Socket (BSA30 / 386)
Birzman CorpTaiwan
A double-sided B.B. Socket born out of the increasing popularity of 30 mm crank spindles.; Made from CNC machined 7075 aluminium it’s durable and provides very precise engagement with all the notches of the bottom bracket so won’t chew up…
About this product
A double-sided B.B. Socket born out of the increasing popularity of 30 mm crank spindles.
Made from CNC machined 7075 aluminium it’s durable and provides very precise engagement with all the notches of the bottom bracket so won’t chew up the bottom bracket.
Full specifications for this product
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No certificates on file for Birzman Corp.
Birzman Corp
- Location
- Taiwan
- US shipments
- 1 to 1 buyer since Jan 10, 2026
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