Last Fridays, leaves after 6pm. THE monthly gathering of bicyclists making their presence known downtown for 20+ years. Slowly winds a dozen miles or more. Radically inclusive, thousands attend in good weather. Daley Plaza, 50 W Washington. Under the Picasso (giant rusty bird), at Dearborn. Often ridecasting on http://bedno.com/follow As per TheChainlink.org advice to group rides: Mask req…