Biologic Joule3 Dynamo Wheel 32H 700c

Biologic Joule3 Dynamo Wheel- 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 rat ... read more

Product Code: WHB017
Availability: In Stock
Price: $400.00

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The Joule 3 currently is the lightest, most efficient bicycle dynamo hubs on the market. It is built up with a DT TK540 rim to create a super-light dynamo wheel(1200 Grams) with its patented magnet configuration, the hub yields a reduced 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 a disc-only version. Winner of a 2012 Eurobike Award.


  • 73% generator efficiency — one of the most efficient
  • Available in 29"(700c wheel size)
  • One of the lowest drag of all dynamo hubs
  • Ultra-compact, super-lightweight design
  • German StVZO compliant (6V, 3W)
  • 32-hole, available for both disc and non-disc brakes
  • Weight (32-hole version): 416 g (14.7 oz)
  • Available in silver or black
  • Handbuilt using DT Swiss TK540 rim
  • DT Swiss 2.0 Spokes
  • $400.00

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