CIRCE CIRCE Tandems CIRCE Electric assist e-tandems CIRCE Tandems £3,250 to £5,000 A2Z of CIRCE CIRCE Helios Steps (2020) (On display in Tandems » Electric assist e-tandems) CIRCE Helios Steps (2020) (On display in Tandems » Tandems £3,250 to £5,000)