SON28 CENTER LOCK DISC
SON 28 is a generally approved hub dynamo for all wheel sizes up to 700c (29"). On a 28"-wheel nominal output is reached at about 16 km/h (SONdelux at 19 km/h). SON 28 is recommended when more light is required at low speed or when other devices are to be operated or their batteries recharged.
Hub: Schmidt SON28: Brake (Center Lock Disc), Color (Silver, Black, Polished) Power (6V/3W), Weight (440g), Warranty: (5yr)