it's the size of the disc bits on either side of the hub. high flange means a larger diameter, low flange means a smaller diameter.
http://www.sheldonbrown.com/gloss_e-f.html#flange
high flange
low flange
@h2o started
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it's the size of the disc bits on either side of the hub. high flange means a larger diameter, low flange means a smaller diameter.
http://www.sheldonbrown.com/gloss_e-f.html#flange
high flange
low flange