What is a “Biopace”? Does it help make riding easier? I'm considering swapping that out: I'd like the look of an all black chainring and crank arms. No idea what to look
SR Sakae SX Triple Mountain Bike 175 Cranks Biopace Crankset Road or Mountain | eBay
Shimano Bio-Pace Road Ring Set – Ben's Cycles Denver
NOS Shimano BioPace Chainring 52t, 130 BCD, Light Gray - Bike Recyclery
Biopace - Wikipedia
Shimano Biopace 50/44/28 Chainring Set - Gringineer Cycles