Biologic Joule II dynamo hub - 74mm (Silver)

The Joule II dynamo hub has a built-in generator that produces electricity when the hub rotates while riding.

Designed to fit folding bikes with 74 mm forks (E.g. Tern, Dahon, Fnhon and etc)

Rated at 6V/2.4W at 15 km/hr (9.3 mph) under 15 ohm load.

Features:

No. of Holes = 20

O.L.D.= 74 mm

Wheel Sizes = 16" to 20"

Note:

We provide wheel building services for this dynamo. 16" to 20" rims are subject to availability.

Please contact us for more details.