Here is a used set of Shimano 52 tooth & 42 tooth BioPace elliptical shaped chainring.5 bolt 130 BCD. Light wear, plenty of life left.
Shimano 49T Black Aluminum Anodized Chainring 5 Bolt 130BCD
Shimano 52T 42T Pcd130 Double Chainring Aluminum Silver
Shimano 52T 42T PCD130 Double Chainring Silver Aluminum Used
Old School BMX Chainring 5 Bolt 130BCD Black
Shimano Dura-Ace SG 43T Chainring 5-bolt 130 BCD Silver
Shimano 600 42T Biopace LD NEW/NOS Chainring Oval- 6/7/8/9-Spd-130MM-Bronze '87
