SON 28 is a hub dynamo for all wheel sizes up to 700c (29"). On a 28"-wheel nominal output is reached at about 16 km/h (SONdelux at 19 km/h).
SON 28 is recommended when more light is required at low speed or when other devices are to be operated or their batteries recharged.
The product is not in stock but it is possible to order
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|Axle Standard Front||100mm QR|
Electric Power: 6V / 3W according to German government's road traffic regulations (StVZO)
Efficiency: 65% at 15 km/h in 700c-wheel
No-Load Power Input: 0,5 W at 15 km/h in 700c-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: 440 g, ISO 6-bolt: 460 g, Center Lock: 430 g
Warranty: 5 years
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