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Vintage Shimano Biopace 28T Chainring 74 BCD 5-Arm Steel 28 Tooth Oval MTB:
$16.99
The Vintage Shimano Biopace 28T Chainring is a high-quality bicycle component designed for mountain biking. Made of durable steel with a 74mm distance between bolt holes, this oval-shaped chainring features 28 teeth and a 5-arm mounting design. It is lightweight yet sturdy, making it suitable for a wide range of bike types. The sleek silver color adds a touch of style to your bike, while the Shimano brand ensures reliability and performance on the trails. Upgrade your cycling experience with this vintage gem.
Here is a link to a video describing how to install/assemble a retrocrankset using aShimano Biopace chainring like the one listed:
