Shimano Biopace
 NOS Shimano Deore XT Biopace Chainring 36 T 110 Moutain Bike Bicycle MTB 1980's US $55.00 
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 NOS Shimano 600 Ultegra Biopace Chainring 28 T 74 Road Bike Touring Bicycle US $35.00
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42 Tooth Shimano 130BCD Biopace Aluminum Chain Ring, NOS Shimano 600 Ultegra Biopace Chainring 28 T 74 Road Bike Touring Bicycle , NOS Shimano Deore XT Biopace Chainring 36 T 110 Moutain Bike Bicycle MTB 1980's, NOS Shimano Deore XT Biopace Chainring 46 T 110 Moutain Bike Bicycle MTB 1980's, NOS/NIP Vintage Shimano 600 Biopace 53t Bicycle Chainring 130 BCD, Shimano Biopace HP Aluminum Chainrings, 46T and 26T, Shimano Biopace HP 3 X 7 Crankset Vintage 1990 Road Touring Rare 170mm, Shimano Biopace 52t 130mm Vintage 80s Trek 660 Centurion Ironman Lotus Racer NOS, New alum. alloy Shimano 600 Biopace 52/42 chainrings 130 BCD, Shimano Build Kit Group 11pc STI 8spd Biopace Truvativ, Shimano Chainring 52T 130mm BIOPACE, Shimano 600 Ultegra Road Cranks 170mm Double 52 42 Biopace FC-6207 Crank Set , SHIMANO 200 GS BICYCLE 170 MM 48/38/28 BIOPACE CRANKSET M201, Shimano Biopace Chainring Set, Vintage Shimano XT 600 FC-6206 BIOPACE Crankset, 170mm, 28/38/48 Rare,