Swiss E-Bike Startup OPIUM To Launch Two Long-Range E-Bikes SoonStaff·July 4, 2022Electric VehiclesFeaturedNews & Reviews The OPIUM 6.0 and 4.0 are claimed to offer a range of up to 211 miles on a single charge. Source: Swiss E-Bike Startup OPIUM To Launch Two Long-Range E-Bikes Soon