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Ironhead Sportster Motorcycle Talk (1957-1985) For all those that wanna talk about Ironhead Sportster Motorcycles

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  #71  
Old 9th April 2023
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AFAIK the Ironhead never went to 1 inch.

But if your doing this from scratch I would just buy whatever cups I needed. If you pick up a 1 inch triple tree, use the 1 inch cups.
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Old 9th April 2023
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i was trying to find out which bikes have a 1" triple tree, and 35mm forks

FX? new sportsters?
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  #73  
Old 14th April 2023
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Quote:
Originally Posted by PoodlePunche View Post
i was trying to find out which bikes have a 1" triple tree, and 35mm forks

FX? new sportsters?
FX disk brake shovelheads had two different 35mm front ends, Kayaba and Showa, both with 1" stem. The early ones 71-72 had the old 33.5mm forks and a drum brake.
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  #74  
Old 15th April 2023
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Quote:
Originally Posted by joe s View Post
FX disk brake shovelheads had two different 35mm front ends, Kayaba and Showa, both with 1" stem. The early ones 71-72 had the old 33.5mm forks and a drum brake.
Thanks.
my neck bearings are getting a bit crunchy, and I really don't want to deal with the loose bearings...

would rather swap to a 35mm triple tree with timken bearings, then i can reuse my forks.
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