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
Umwerfer für BioPace 3er Kurbel | Rennrad-News.de
Shimano Biopace chainring 52 tooth 130mm bolt circle - The Ritzler
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