Boost’s Brompton-specific version of its electric bike conversion system adds 2.5kg to the weight of a Brompton. The electric Brompton and Cytronex conversion offer good range and proper assistance, ...

Electric bikes are all the rage, but James McKenzie wonders if the future lies with a minimalist kit that can be retrofitted to an ordinary bicycle From bike to e-bike The UK firm Cytronex makes kits ...

Back in 2008, UK based Cytronex launched what was (and still is) the lightest electric assistance system for bicycles. Since those early days, Cytronex has continued to evolve the system and refine ...