LD model that is less oval, for higher cadence. W-Cut teeth and Bronze in color. 50 grams/1.7oz.
Shimano 600 52T Biopace LD Road NEW / NOS Chainring Oval- 6/7/8-Spd-130MM-NMint
Shimano 52T & 42T BioPace Road Chainring 5 Bolt 130BCD
Shimano 600 42T Chainring 3 Hole PCD94mm - Used, Old Tooth Design
NIB Shimano Deore XT Biopace-SG 28T Chainring for FC-M730 | BCD 74 mm
Vintage Shimano Biopace 110 BCD Chainring 48t 48 Tooth Oval Steel 80s Road A08
Shimano 600 Chainring 42T 3-Hole PCD 94mm Thin Tooth Shape - Used
