Quella Bikes are a British single speed bike designer and retailer. Since 2012 they have brought the joy of a single speed or fixed gear bicycle to bike lovers everywhere. Every Quella bike is of exceptional quality with their stylish vintage design. The addition of a Zehus Generation 2 hub to their Varsity range results in a lightweight (13.9 kg) electric single speed capable of 60 km in a single charge - commute in style!