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Home BRANDS WE CARRY SON SON XS Hub Dynamo for Brompton Folding Bike - 8x74mm 28H

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SON XS Hub Dynamo for Brompton Folding Bike - 8x74mm 28H

Rp3,650,000.00

This variant of the SON XS hub dynamo is optimized for the narrow forks of Brompton folding bikes. The hub dynamo got side slots instead of the spoke holes. straightpull spokes are mounted in these slots, as they can be found in system wheels. The XS hub dynamo offers semi-radial lacing. This makes the wheel elegant and durable, because the bending moment is omitted in the spokes bow. Allowed wheel sizes range from 16-20 inches. 

This hub dynamo achieves an efficiency of 60% (0,7 Watts) already at a riding speed of 15 km/h. Its weight of less than 400g ensures that the bike is not heavier than a bike equipped with conventional front hub and friction wheel dynamo. 

Because of the low width of the flange the lateral rigidity of the wheels is smaller than with hubs with conventional geometry.

  • SON XS is optimized for the small wheels and the narrow fork of folding bikes. Thus the low weight and minimum no-load losses are achieved.
  • Electric Power: 6V / 3W according to German government's road traffic regulations (StVZO)
  • German Mark of Conformity: ~~~ K 439 for 16" - 20"
  • Efficiency: 60% at 15 km/h
  • No-Load Power Input: 0,7 Watt at 15 km/h
  • Magnets: neodym iron boron, 26 poles
  • for Brompton folding bikes with axle diameter 8 mm
  • semi radial spoke pattern (also available as complete wheel)
  • 3 standard colours (polished, silver anodized, black anodized)
  • Axle Diameter 8mm
  • Made in Germany
  • Warranty: 5 years
Browse these categories as well: SON, DYNAMO & DRUM HUBS
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SON XS Hub Dynamo for Brompton Folding Bike - 8x74mm 28H - BMTBonline.com