STAERK TANDEMS STAERK TANDEMS Tandems STAERK TANDEMS Electric assist e-tandems A2Z of STAERK TANDEMS STAERK TANDEMS BE10 Sram Bosch Performance Line (2025) (On display in Tandems » Electric assist e-tandems) STAERK TANDEMS BE14 Bosch Performance Line (On display in Tandems » Electric assist e-tandems)