Residents are concerned about a planned mass rideout on Sydney's Northern Beaches scheduled for this weekend. Flyers have been spotted circulating online that advertise a "Northern Beaches Rideout" on Sunday morning. that teenagers with e-bikes , dirtbikes and motorbikes have been invited to the rideout on social media, including his 13-year-old daughter. This flyer advertising mass e-bike rideout in Sydney has been circulating online. (Nine)A gang of teenagers on e-bikes were captured hooning down streets and even a golf club on Sydney's northern beaches earlier this month.