And here is what Shutter Precision has to say:
This QR12 thru-axle hub is ideally suited to 26”/700C wheel at 6V3W output and perfect for 6 bolt disc brake.
For all new 7 series, we packed more innovation, more durable features, and more surprises into this dynamo hub than ever before. The PD-7 is the lightest weight on the QR12 thru-axle dynamo hub market, which only has 419g.
- High efficiency, lightweight dynamo hubs are great for powering lights, chargers and other electronics while riding
- Designed for reliability in extreme conditions
- 6-volt 3-watt output
- axle/spacing (mm): 12×100 TA
- brake: 6-bolt (IS) disc
- hole: 32h
- color: black
- weight: 419g