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Have a Giant Boulder with threaded headset and would like to replace rigid forks with suspension. Do threaded headsets come in two sizes, 1" or 1 1/8"? Looking on Ebay the latter don't seem to be very common. The current stem seems to measure 1 1/8" OD so presume this is what I need.
cheers,
Mike
Posted : 01/12/2010 2:20 pm
If the stem is 1 1/8" OD then you need 1 1/4 headset - you may have measured the steerer?
It's a giant so it will be 1 1/8" or maybe 1" if very old.
Posted : 01/12/2010 2:25 pm