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SON 28 Disc hub dynamo
Product code: 181065300
The SON 28 hub dynamo is universally approved for all wheel sizes from 16" to 29". It reaches its nominal power in a 28" wheel at approx. 16 km/h. Thi... more details
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The SON 28 hub dynamo is universally approved for all wheel sizes from 16" to 29". It reaches its nominal power in a 28" wheel at approx. 16 km/h. This makes it highly recommendable when you ride slowly and need a strong light or when you want to use or charge other devices, e.g. a navigation system or smartphone. Compared to its predecessor, no-load losses have been reduced by approx. 15% and weight by approx. 140 g.
· 65% efficiency at 15 km/h in a 28" wheel
· Power consumption when idling: 0,5 watt at 15 km/h in a 28" wheel (corresponds to a gradient of 12 cm over 1 km)
· Threadless hollow axle made of cold hardened, stainless steel
· Hub sleeve made of aluminium 6082 T6
· High-grade groove ball bearings
· Hub with double seals inside
· Weight: approx. 465 g (without skewer)
· 6-hole brake disc mount according to international 2000 standard
· 6 volt, 3 watt
· 36 hole
· Incl. skewer
· Hub width: 100 mm
· Note: without overvoltage protection (when using a front light/back light without overvoltage protection, we recommend item no. 534215)
To prevent your lights from being permanently on, you will need a front light with a switch!