SON 20R Dynamo Hub

Specs:

• 100mm breed, 9mm QR Hub
• Colour: Black
• Spokes: 32
• Electric Power: 6V / 3W according to German government's road traffic regulations (StVZO)
• Efficiency: 65% at 15 km/h in 20" wheel
• Magnets: neodym iron boron, 26 poles
• Connection: 4,8 mm flat spades, 2-pin to connect without ground connection (special design without connectors)
• Sealing: alloy dust shields, rubber lip seals and pressure compensation system
• Weight: +/- 450 g,
• Warranty: 5 years