Cube reaction hybrid hpa sl 500 e bikenothing combines ease of use and fun quite as well as an e mtb and few e mtbs can match the cube reaction hybrid sl for value and performance blending all cubes engineers accumulated experience in a beautifully crafted frame designed to get the best out of the bosch drive unit framecubes e mtbs are already widely regarded as amongst the best out there but their always looking for improvements so they started from the ground focussing their attention