SON Dynamo Hub : SONdelux
ดุมปั่นไฟสำหรับหลอด LED จาก Schmidt Maschinenbau / Germany
http://www.nabendynamo.de/index.html
SON : Schmidt's Original Nabendynamo
Specification
Electrical power out put : 6V/3W
Efficiency : 65% at 15 km/h in 700C wheel
No-load loss : 0.4 W at 15 km/h in 700C wheel
Magnet rotor : neodymium-iron-boron magnets, 26 poles
Connection : 4.8 mm tab connector, double-pole, potential-free
Axel : hollow axel, ID 10 mm, aluminium 7075 T6
Axel ends : stainless steel
Bearings: deep groove ball-bearing 629-2RSH
Hub body : aluminium 6082 T6
Color : silver polished
Sealing : gap seal and sealing ring, pressure compensation system
Spoke drillings : 36 hole, radial lacing permitted
Weight : 390g
Guarantee : 5 year
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