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About Joule3 Biologic Dynamo Hub 32H
The Joule 3 currently is the lightest, most efficient bicycle dynamo hub on the market. It can be built up to create super-light dynamo wheels and its patented magnet configuration reduces drag and offers a 75% efficiency rating. Polishing, laser etching, and a precision machined flange pattern, give high performance in a beautiful small package. Available in disc only version. Winner of a 2012 Eurobike Award.
