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Fork and triple tree identification, help needed #670506
10/09/16 6:16 am
10/09/16 6:16 am
Joined: Oct 2016
Posts: 4
Denmark
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Nygaard Offline OP
BritBike Forum member
Nygaard  Offline OP
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Joined: Oct 2016
Posts: 4
Denmark
I am considering a suspension upgrade on my BSA Victor.
I have two forks and a couple of triple trees available, but I need some help identifying the parts (and figure out what would work best) as there are basically no stamps or engravings to be found. All of them are 35 mm.

Ceriani/Betor? - 20.00/19.65 mm. stem.
http://peecee.dk/uploads/102016/Ceriani_1.jpg
http://peecee.dk/uploads/102016/Ceriani_2.jpg

Marzocchi - 24.85/24.30 mm. stem.
http://peecee.dk/uploads/102016/Marzocchi_1.jpg
http://peecee.dk/uploads/102016/Marzocchi_3.jpg

Ceriani/Betor? - 24.90/22.60 mm. stem.
http://peecee.dk/uploads/102016/Ceriani_bro.jpg

CZ - 26.00/24.95 mm. stem.
http://peecee.dk/uploads/102016/CZ_bro_1.jpg

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Re: Fork and triple tree identification, help needed [Re: Nygaard] #670570
10/09/16 5:45 pm
10/09/16 5:45 pm
Joined: Aug 2012
Posts: 122
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bryan johnson Offline
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bryan johnson  Offline
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Posts: 122
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The forks in the first pic are Cerianis, probably from a Penton, can't tell much from the Marzocchi pics, but that's what the triples are, so probably right as well. The first set of triples only that you have are Bultaco. It depends upon the intended usage to give you any recommendation as to what to use, but the Bultaco clamps would be close to the same offset as the original BSA, if that is what you're after. Personally, I have a similar project, and I am using the Bultaco clamps with Husqvarna forks as I want to approximate the stability of the original, but I want the lighter weight of the magnesium sliders the Huskys offer. The Marzocchis might be magnesium, but it would be hard to tell from a picture.

Re: Fork and triple tree identification, help needed [Re: bryan johnson] #670638
10/10/16 5:12 pm
10/10/16 5:12 pm
Joined: Oct 2016
Posts: 4
Denmark
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Nygaard Offline OP
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Nygaard  Offline OP
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Joined: Oct 2016
Posts: 4
Denmark
Originally Posted By bryan johnson
The forks in the first pic are Cerianis, probably from a Penton, can't tell much from the Marzocchi pics, but that's what the triples are, so probably right as well. The first set of triples only that you have are Bultaco. It depends upon the intended usage to give you any recommendation as to what to use, but the Bultaco clamps would be close to the same offset as the original BSA, if that is what you're after. Personally, I have a similar project, and I am using the Bultaco clamps with Husqvarna forks as I want to approximate the stability of the original, but I want the lighter weight of the magnesium sliders the Huskys offer. The Marzocchis might be magnesium, but it would be hard to tell from a picture.

Thank you for taking the time to answer - that was very helpful!
MX origin would make sense, as all of the parts came as spares with a couple of Rickman and Cheney BSA's.

My plans for the Victor is a mild bump in power and 70's-era performance modifications: Upgraded fork and rear shocks, lightweight wheels, performance brakes, ace bar or clip-on's.
The goal is an entertaining classic, modified as they would do it back then, but without cutting or welding anything. It has some patina but is otherwise complete and 100% original - no need to ruin that with mods that can't be reversed smile

Re: Fork and triple tree identification, help needed [Re: Nygaard] #670648
10/10/16 7:27 pm
10/10/16 7:27 pm
Joined: Aug 2012
Posts: 122
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bryan johnson Offline
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bryan johnson  Offline
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Joined: Aug 2012
Posts: 122
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The problem you'll run into is the fork stop on the frame will interfere with the clamps. If you don't want to cut and weld, you could just take the stock clamps and have them machined out to 35mm. Dick Mann does this on the bikes he builds with good effect. If you're interested in this mod, let me know and I can email you some pics of some modded clamps.



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