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SON 28 15 hub dynamo red | 36

Product 4 of 10
The first hub dynamo for 15mm through axle forks!

Guarantee period: 5 years
Included in delivery: Skewer and connectors for the headlight

Technical data
Electrical power output: 6 V/3 Watts according to the German road traffic regulations StVZO
German mark of conformity: ~~~ K834 for 16“ to 29“
Efficiency: 65% at 15 km/h in 622 wheel
No-load loss: 0.5 Watt at 15km/h in 622 wheel
Magnet rotor: Neodymium-iron-boron, 26 poles
Contacts: 4.8mm flat spades, 2-pin, to connect without ground connection
Axle: hollow axle, Ø 10mm, strain-hardened stainless steel
Bearings: Deep Groove ball-bearing 629 2RSH
Hub shell: aluminium 6082, T6
Sealing: Alloy dust shields, rubber lip seals and pressure compensation system
Weight: 460g

The SON 28 15 is not permitted for free ride and downhill sport.

The SON 28 is designed for wheels from size 16“ to 29" (700c). It is recommended, if a maximum power output is necessary at low speed. E.g. charging your batteries or using your smartphone or GPS in conjunction with a converter such as the Ullmann Power Station.

The first pressure equalization system, was realised in SON 28 klassik in 2002 and now protects all types of SON efficiently from ingress of water.

Link to Bike Station info pages.

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Artnum: Schmidt
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