Shutter Precision PD-8X hub dynamo disc brake, black 32H

The PD-8X hub dynamo has a very good efficiency of nearly 80%. At 20 km/h, only a fraction of the drive power is used for the light. When the light is off, about 1 watt is needed for idling at 20 km/h. This is approximately 1% of the power that an average cyclist requires for movement. The headlight cable can be easily attached to the connector. The hub for disc brakes with a quick release or 15 mm thru-axle (PD-8X) weighs 420 g. Details: - Suitable for disc brakes with quick release or 15 mm thru-axle - Compatible with 32-hole rims.