Mr Brown was correct. I ran Biopace fixed for a few months (for a laugh) last century. The chain tension variation wasn’t different from that caused by the cheap chainrings and cogs I tended to use while a penniless student oaf.
@LWaB started
London Fixed Gear and Single-Speed is a community of fixed gear and single-speed cyclists.
@LWaB
Mr Brown was correct. I ran Biopace fixed for a few months (for a laugh) last century. The chain tension variation wasn’t different from that caused by the cheap chainrings and cogs I tended to use while a penniless student oaf.