SON 28 12mm disc 6-gaats Disc
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.
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
Axle type: 12mm Through Axle
Width: 100mm