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38 mm forks
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Topic: 38 mm forks (Read 6370 times)
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Wasp
A-Grade
Posts: 404
Your Suspension Solution since 1989
38 mm forks
«
on:
May 15, 2019, 12:37:00 pm »
Would anyone know when the 38 mm forks where first fitted . Year and hopefully month . Thanks .
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VMX shocks , We don't just sell them - I design and produce them individually for you since 1989.
sleepy
Legend
Posts: 805
Re: 38 mm forks
«
Reply #1 on:
May 15, 2019, 04:02:56 pm »
Got a Maico owner manual here from Nov 1975 that list 38mm forks.
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Wasp
A-Grade
Posts: 404
Your Suspension Solution since 1989
Re: 38 mm forks
«
Reply #2 on:
May 17, 2019, 08:51:19 am »
Thanks , what years where the forks with the external springs ?
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VMX shocks , We don't just sell them - I design and produce them individually for you since 1989.
sleepy
Legend
Posts: 805
Re: 38 mm forks
«
Reply #3 on:
May 17, 2019, 09:25:50 am »
The last external spring forks where on the 1974 4 speed models. The first 5 speed models had internal springs but I'm not sure on the size. Most likely 38mm from what I can see from spares parts info. That would mean they where available early 75.
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sleepy
Legend
Posts: 805
Re: 38 mm forks
«
Reply #4 on:
May 17, 2019, 09:39:02 am »
I should add that the external spring forks are 36mm. The 38mm went up to 1979 and in 80 we got the 42mm.
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Wasp
A-Grade
Posts: 404
Your Suspension Solution since 1989
Re: 38 mm forks
«
Reply #5 on:
May 17, 2019, 10:43:01 am »
Thanks , So we can conclude 38 mm ( actually 37.80 ) 1975 -1979 . I will make a batch of fork springs 31.5 mm OD by 560 mm long . This will give the option to run the PD valves or a spacer .
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VMX shocks , We don't just sell them - I design and produce them individually for you since 1989.
sleepy
Legend
Posts: 805
Re: 38 mm forks
«
Reply #6 on:
May 17, 2019, 11:18:50 am »
The travel of the forks changed across the years. 76 had 220mm, 77 had 245mm and 78 had 254mm. Not sure on the 75 travel.
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Wasp
A-Grade
Posts: 404
Your Suspension Solution since 1989
Re: 38 mm forks
«
Reply #7 on:
May 17, 2019, 11:50:37 am »
Thanks Sleepy for that valuable info . I have designed the springs to take 260 mm travel incl Preload and PD Valve . People without the Valve will have to use a 18 mm spacer to make up for it .
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VMX shocks , We don't just sell them - I design and produce them individually for you since 1989.
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38 mm forks