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CUBE's SL tag isn't one that a bike gets lightly. In the case of the Reaction Hybrid SL, the combination of a premium aluminium e-MTB frame and a selection of light, smooth and desirable components means it's thoroughly earned - this is a Bosch e-bike that will redefine your expectations. The fully integrated battery design means improved handling, smarter looks and better functionality, not to mention the fact that most people won't realise you're on board an e-bike.