SON 28 DYNAMO FOR BIKES

INFO

SON 28 is a generally approved hub dynamo for all wheel sizes up to 700c (29″). On a 28″-wheel nominal output is reached at about 16 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)
German Mark of Conformity: ~~~ K 834 for 16″ – 29″
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)
Axle: hollow axle Ø 10 mm, strain-hardened stainless steel, (Center Lock rotor mounting system licenses by Shimano: aluminium 7075 T6)
Bearings: deep groove ball bearing 629 2RSH (SKF)
Hub Shell: aluminium 6082 T6
Colors: silver polished, anodized silver, black or red
Sealing: alloy dust shields, rubber lip seals and pressure compensation system
Spoke Drillings: 28 (only ISO 6-bolt), 32, 36
40, 48 (tandem version with a larger flange)
Weight: 440 g (ISO 6-bolt: 460 g, Center Lock rotor mounting system licenses by Shimano: 430 g)
Warranty: 5 years

MEDIAGALLERY

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