Author Topic: Tonti Frame Fork Options?  (Read 1393 times)

Offline cappisj1

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Tonti Frame Fork Options?
« on: October 17, 2023, 07:10:53 PM »
I turned my 850T into a cafe bike a few years ago. I have it very reliable now and ride it all over. I bought some second hand Ikon shocks and they made a big improvement on ride quality and handling. Still using the single disk up front.

My question, what options do I have to improve the forks now?  One of the current forks has the nut on the top stripped so that part of one fork needs replaced anyway.

Do I find some forks from another model?
Do I rebuild what I have? If so with what?
Is there a modern fork option that would be a direct replacement? I really don’t want to change triple trees and all that.

Thanks,




73 Eldorado
75 T Cafe
08 Norge
23 V85 Travel

Offline guzzisteve

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Re: Tonti Frame Fork Options?
« Reply #1 on: October 17, 2023, 07:26:26 PM »
I used 1100 Sport forks on my LM3, they most all use the same head bearings. You can get fork tubes from Forking By Frank in Chi, IL if you just want to fix it. Lots of options for dampeners & springs.
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Online Antietam Classic Cycle

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Re: Tonti Frame Fork Options?
« Reply #2 on: October 17, 2023, 07:34:44 PM »
If you can find them, 38 mm Marzocchi Strada forks are cool. I have a brand new pair for my Convert project.
Charlie

Offline jrt

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Re: Tonti Frame Fork Options?
« Reply #3 on: October 17, 2023, 09:59:17 PM »
I just wanted to say that I am very impressed by that tail-box you have!

I've seen all sorts of replacement front forks- just depends on how much effort and machining you want to put in.  I think the FAC dampers and better springs are enough for me, but folks have put upside-down forks from Suzuki's and such on their bikes.  I wonder if a V11LeMans fork would be easier?   No idea here. 
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2003 Yardbird (1100 hydro)
2020 R1250RS

Offline redrider90

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Re: Tonti Frame Fork Options?
« Reply #4 on: October 18, 2023, 11:22:21 AM »
I used Franks Forks to replace my last pair on my Mille. I used Bitubo and Wirth progressive wound springs. Mille's were beaten up by everybody due to poor performance with the stock frond end.  With the Bitubo's and Wirth springs I got much improved performance with those weenie 35 mm tubes.
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Offline Turin

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Re: Tonti Frame Fork Options?
« Reply #5 on: October 21, 2023, 08:10:32 AM »
+1 for upgrading the stock set up. I think inverted forks look weird on a tonti frame.
1998 Centauro GT
1997 Daytona RS
1991 Rennsport California III
1991 LeMans 1000
1987 LeMans SE Dave's Cycle Racer
1986 Sidlow Guzzi
1984 LeMans III
1974 850-T Sport
1969 A-series Ambassador
1996 Triumph Daytona 900
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Offline brider

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Re: Tonti Frame Fork Options?
« Reply #6 on: October 24, 2023, 07:17:17 PM »
I researched this for my Cal 2. I decided first to install a Tarrozzi (?) fork brace with new springs & dampers, 100% improvement at a cheap non-modified price.
'85 Cal II Auto
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Wish'd I'd never sold:
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