Shimano Biopace Chainring SG B-28 BDC 74mm 28T Black

Rare Vintage Chainring – 24T, Shimano Biopace Compatible

This rare vintage chainring, designed for triple 5-bolt cranksets, is specially made for Biopace road and MTB cranksets. Manufactured in the early 1990s, it offers perfect compatibility with Shimano Biopace systems, ensuring optimal power transfer and smooth shifting.

• BCD: 74 mm
• Bolt Pattern: 5-Bolt
• Teeth: 24
• Ideal for vintage Biopace bike restorations
• Brand New

A perfect choice for cyclists seeking authenticity and reliability.