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T140 overall fork length? #768200 03/15/19 8:35 pm
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J. Charles Smith Offline OP
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I have had no luck searching the Internet for the overall length of the stock forks on a T140. Fork tube length yes, fork overall length no. Could some kind soul measure their T140 fork from top of fork tube to center of axle with fork fully extended for me? I have a '73, but I figure all the disc brake forks are the same length. Thanks!

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Re: T140 overall fork length? [Re: J. Charles Smith] #768203 03/15/19 8:53 pm
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Hillbilly bike Online Content
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1979 T140 I just measured extended at 29-3/4 inches top of tube to center of axle hole...


79 T140D, 96 900M Ducati ....On a bike you can out run the demons..
Re: T140 overall fork length? [Re: J. Charles Smith] #768226 03/15/19 11:38 pm
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Thanks so much for that, Hillbilly. You are one of the guys who make this forum great!

Re: T140 overall fork length? [Re: J. Charles Smith] #768249 03/16/19 9:25 am
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Hi Charles, My '73 Tiger is 29-3/4 also.
Don


1973 Tiger 750
Re: T140 overall fork length? [Re: J. Charles Smith] #768363 03/17/19 7:37 pm
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J. Charles Smith Offline OP
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Excellent. Thank you TR7RVMan. Now all I need is to find 555mm+ fork tubes for road race Cerianis. I am having a helluva time getting ahold of anyone at Frank's Forks who knows any details about their tubes for Ceriani forks. I will keep trying.

Re: T140 overall fork length? [Re: J. Charles Smith] #768372 03/17/19 9:40 pm
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Originally Posted by J. Charles Smith
Excellent. Thank you TR7RVMan. Now all I need is to find 555mm+ fork tubes for road race Cerianis. I am having a helluva time getting ahold of anyone at Frank's Forks who knows any details about their tubes for Ceriani forks. I will keep trying.

I had Frank's shorten a pair of fork tubes about 4 months ago...I believe the original owner is gone and perhaps family is running it...They answered my question within a day by email ...I sent in the forks and no more communication. then two weeks later a woman calls to say the forks are done and ready to ship...they do nice work ...Maybe they are lacking customer skills or don't know about Cerani??


79 T140D, 96 900M Ducati ....On a bike you can out run the demons..
Re: T140 overall fork length? [Re: J. Charles Smith] #768455 03/18/19 4:48 pm
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I think the original owner of Frank's passed away some time ago, but they are definitely still in business. They don't seem to answer the phone regularly, but my main problem is that "the guy who knows" is a machinist who has been there "forever," but apparently only comes in after hours. Supposedly he will answer the phone in the evening, but I have had no luck. As a company, Frank's has surely had a lot of experience with Ceriani, if only because they've been at it since 1969 and are the only concern in the US still making custom fork tubes. My questions have to do with whether or not they bore the tube I.D. and other internal dimensions to the stock specs so the damping piston, valves, etc. do their job properly. I am also a bit concerned because the stock Ceriani fork tubes are made of chrome moly (?) and are quite thin-walled (2.5mm) and light-weight. I can't quite imagine that the Frank's tubes will be as good a steel, and so won't be as rigid. I sold Frank's tubes at various shops from the very early '70s to the very late '80s. As I recall, they were all just show chromed then, but they are all properly hard chromed now. However, in the past they had told me that they did not always machine their tubes to exact factory specs. Race Tech sells TNK tubes made in Italy. They list what would be stock length (526mm) Ceriani road race tubes for 1967-1974 Aermacchis, Benellis, and MV Agustas, but I am not certain they actually stock them, nor even know what they are, especially after their "vintage specialist" sent me an email stating "...I have looked (at) this before & the TNK tubes are from OEM fitment not the classic aftermarket forms you have. I wish TNK had them!" I'll try Frank's again this evening.


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