how certain are you that they are 10 speed and not 11?
as certain as a man without a shimano 11spd cassette can be?
I did have a look on the HED website and all their 11spd compatible freehubs have it stamped on it in HUGE LETTERS though
@amey started
London Fixed Gear and Single-Speed is a community of fixed gear and single-speed cyclists.
deleted
@amey
how certain are you that they are 10 speed and not 11?