Vintage Shimano Biopace HP Chainring Set 48 38 28T 110/74 BCD Silver Alloy MTB

Vintage Shimano Biopace-HP triple chainring set for 5-bolt mountain or hybrid bike cranksets.

Tooth counts: 48T, 38T, 28T.

BCD: 110 mm and 74 mm.

Includes three silver aluminum rings with Biopace oval profile marked Shimano BIOPACE 48, Shimano BIOPACE 38, and Shimano BIOPACE 28.

Original blue and yellow Biopace-HP High Performance sticker is on the 48T ring.

Weight: 120 g.

Triple Shimano Biopace HP alloy chainring set 48/38/28T. Rings show wear from prior use with chain polishing on tooth faces, scratches and scuffs on both sides, and finish wear around many teeth and bolt holes. Teeth are intact without broken or bent sections. Includes only the three chainrings shown; no crank arms or chainring bolts.