Biologic Joule™ 3 Dynamo Hub
Power When You Need It
This variant is currently sold out
- 73% generator efficiency—one of the most efficient
- Lightest version weighs only 356 g
- One of the lowest drag of all dynamo hubs
- Ultra-compact, super-lightweight design
- German StVZO compliant (6V, 3W)
- Technical Details
Our award-winning BioLogic Joule 3 is one of the lightest, most efficient bicycle dynamo hubs on the market. Its patented magnet configuration yields barely noticeable drag. Polishing, laser etching, and a precision machined flange pattern deliver high performance in a beautiful small package. Available in disc and non-disc brake versions.
Dimensions 82 x Ø58 mm (3.2” x Ø2.3”) Weight 32H hub (100 mm): 416 g (1 lb)
20H hub (74 mm): 362 g (0.8 lb)
Load Capacity n/a Volume Capacity n/a Compatible Bikes
20H hub (74 mm): All Castro, Link, Swoop and Verge bikes except Verge P10, S8i, Tour & X11.
32H hub (100 mm): All Eclipse, Node, Joe and Vektron bikes. Only Verge P10, S8i, Tour & X11.
Compatible Items Valo 2 Light Material Aluminum housing