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telephone logo shipping logo Biologic Joule 3 Dynamo Bicycle Hub - Silver

Biologic Joule 3 Dynamo Bicycle Hub - Silver

Part Number:HB033S
Biologic Joule 3 Dynamo Bicycle Hub - Silver


In Stock



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.  Winner of a 2012 Eurobike Award.

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  • 75% generator efficiency — one of the most efficient
  • One of the lowest drag of all dynamo hubs
  • Ultra-compact, super-lightweight design
  • German StVZO compliant (6V, 3W)
  • 32-hole, 100 mm OLD, for both disc and non-disc brakes
  • Weight (32-hole version): 416 g (14.7 oz)
  • Available in silver or black

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