SHIMANO hub dynamo 'DH-3N31' with 3.0W power output & overvoltage protection

Hub dynamos provide reliable electricity with high efficiency

This item is no longer being offered by the manufacturer
  • newly revised
  • lightweight
  • ideal for everyday use

Product information & technical details

Material: Aluminium, Steel
brand: SHIMANO
axle end diameter: 9mm
hub OLD: 100mm
holes: 32, 36
Axle type: quick release


  • Designed specifically for 26-28" wheels
  • 3,0W electrical power at 6V voltage meets the European CEN standard. Therefore the hub dynamo can be used on any bike legally justified with all dynamo-powered lightings on the market
  • Plug (E2 type for biploar cable) to connect the cables to the hub dynamo is included
  • Max. wheel size (= outer diameter of the tire in running order): 646-716 mm
  • The external, included overvoltage protection SM-DH10 for the rear light prevents that the electrical voltage get increased over 9V which may cause damage to the light. This is simply mounted between the rear light and the power supply of the hub dynamo

English reviews written for SHIMANO DH-3N31 Nabendynhamo TA silver