Schmidt SON 28 6-Bolt Disc Front Dynamo Hub
SON 28 is a hub dynamo universally approved for all wheel sizes from 16" to 29". The rated output is achieved in the 700c (622)-wheel at approx. 16 km/h (SONdelux at 19 km/h). Thus, SON 28 is recommended if a lot of light is required at low speed or when either devices are to be operated or their batteries charged.
- 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
- Sealing: alloy dust shields, rubber lip seals and pressure compensation system
- Weight: 440 g (ISO 6-bolt: 460 g, Center Lock rotor mounting system licenses by Shimano: 430 g)
- Warranty: 5 years
SON 28 is a hub dynamo universally approved for all wheel sizes from 16" to 29". The rated output is achieved in the 700c (622)-wheel at approx. 16 km/h (SONdelux at 19 km/h). Thus, SON 28 is recommended if a lot of light is required at low speed or when either devices are to be operated or their batteries charged.
- 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
- Sealing: alloy dust shields, rubber lip seals and pressure compensation system
- Weight: 440 g (ISO 6-bolt: 460 g, Center Lock rotor mounting system licenses by Shimano: 430 g)
- Warranty: 5 years
Reviews of this product
You may also like

QUICK ADD
Condor Strada CNC Mini Pump

QUICK ADD
Condor Classic Cap

QUICK ADD
Condor Vintage T-Shirt

QUICK ADD
Condor 10 Function Multi-Tool
Related Guides

Brompton Bike 2025 Range Explained
Legendary folding bike manufacturers, Brompton, have long been the go to choice for easy and fast folding bikes. Here's our guide to Brompton A, C, P, G and T Line bikes and Brompton Electric bikes to help you decide which is the right Brompton for you.
