SON Nabendynamo SON28 klassic WITH CUSTOM SPACER! 135mm Front hub

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Hub Data
Manufacturer SON Nabendynamo
Position Front
Axle Type 9mm
OLN 135 mm
Spoke Interface Type J-Bend
Brake Compatibility disc, 6-bolt
Drive Interface n/a (front)
Internal Gearing none
Dynamo Type 6v 3w (26"-29")
Spoke Hole Diameter 2.5 mm
Left Flange Diameter 70 mm
Right Flange Diameter 70 mm
Left Flange Offset 4.5 mm
Right Flange Offset 47.5 mm
Mid-Flange Offset 21.5 mm (to the right)
Weight 0 g
Hub ID 250
Record Status Public
Created Feb 4, 2013 3:54pm
hub dimension diagram
These are theoretical dimensions of a Schmidt SOM28 classic dynohub adapted to work with a 135mm fatbike fork by means of a custom standoff and axle extension. Here be dragons. Note that the axle diameter is still 9mm, but the OLN becomes 135mm. The disc rotor could be made to work with either the "front" or "rear" ISO standard offset, depending on what the fork is designed for. To maintain the hub's "front" offset, use a full 35mm spacer. To convert it for "rear" offset, the rotor should only be spaced out 31mm instead of 35mm. The axle will need to be extended 35mm either way. -Karl