SON - 16 Inches - Front Wheel with XS Hub Dynamo for Brompton - Clincher - 20 Spokes - 8x74mm - silver

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Description of SON - 16 Inches - Front Wheel with XS Hub Dynamo for Brompton - Clincher - 20 Spokes - 8x74mm - silver

SON front wheel for Brompton folding bikes

SON prefers to deliver wheels completely set up, because installation of the spokes with semiradial SON XS hubs requires some experience. The new Brompton wheels with 20 spokes are lighter and even more elegant than the wheels with original Brompton rim. They have specially drilled Ryde rims.

The front wheels are laced and trued by hand. This and a high spoke tension guarantee a high stability and durability of the wheel.

The Heart - the SON XS hub dynamo

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.

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.

Technical Data:

  • Electric Power: 6V / 3W according to German government's road traffic regulations (StVZO)
  • German Mark of Conformity: ~~~ K 439
  • Efficiency: 60% at 15 km/h
  • No-Load Power Input: 0,7 Watt at 15 km/h
  • Magnets: neodym iron boron, 26 poles
  • Connection: 4.8 mm flat spades, 2-pin, to connect without ground connection
  • Axle: hollow axle aluminium 7075 T6
  • Bearings: deep groove ball bearing 629 2RSH (SKF)
  • Hub Shell: aluminium 6082 anodized and polished
  • Sealing: alloy dust shields, rubber lip seals and pressure compensation system
  • Spoke Drillings: 20
  • Manufacturer Warranty: 5 years
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Fact Sheet of SON - 16 Inches - Front Wheel with XS Hub Dynamo for Brompton - Clincher - 20 Spokes - 8x74mm - silver

Product Name: SON - 16 Inches - Front Wheel with XS Hub Dynamo for Brompton - Clincher - 20 Spokes - 8x74mm - silver
Manufacturer: SON
Item Code: SON359496
Year: 2019
Manufacturer item code: 43170 (hub color silver polished)
43172 (hub color silver anodized)
43171 (hub color black anodized)
Material: rim Ryde Snyper: aluminium

hub:
magnet rotor: Neodymium-iron-boron, 26-pin
hub shell: aluminum 6082 anodized
hollow axle: aluminum 7075 T6
Weight: approx. 730 gram (manufacturer's specs)
Spokes: DD
Spokes number: 20 x straightpull
Hub axle system: 8x74mm
Fitting type of tire: Clincher
Purpose: Brompton folding bikes
Color: rim: silver
XS hub: silver polished / silver anodized / black anodized
spokes: silver
Included in delivery: front wheel
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Selection: SON - 16 Inches - Front Wheel with XS Hub Dynamo for Brompton - Clincher - 20 Spokes - 8x74mm - silver
Currently not in stock Delivery time 2-4 days XS hub color silver polished
Still 1 in stock in stock, delivery time 1-3 days XS hub color silver anodized
Currently not in stock Delivery time 2-4 days XS hub color black anodized
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