2018 Haibike SDURO HardFour 4.0 - HIGH COUNTRY EBIKES
San Diego Fly Rides on Twitter: "This sportster is hooked on the #haibike Sduro Hardfour 4.0 electric bike, made specifically for kids 8-12! With the capability of climbing… https://t.co/KeGLM9I1EE" / Twitter
Haibike | HardFour 2021 | Reliable and safe eMTB for kids
First Look | Haibike SDURO HardFour RX E-MTB for Kids | E-MOUNTAINBIKE Magazine