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Another Dual Disk Thread

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Old Apr 27, 2018 | 01:57 PM
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So I'm fixing to finish the Dual conversion on my 08 street bob. Foregoing the T under the triple tree and opting for 2 separate lines. I checked Big Al's and TMF Cycles for their kits and it seems to be cheaper to just buy 2 separate Lines and a double banjo bolt. Ive looked all over the forums and can't seem to get a definitive answer. Below are the links to the pieces I believe I will need, I just wanted to get some more incite. Ive already got a new set of fork lowers and the 2nd caliper as well as the 11/16 master cylinder.

Drag Specialties Extended Stainless Front Line 44" x 2
https://www.ebay.com/itm/292442260676

Goodridge Double Banjo Bolt
https://www.ebay.com/itm/361312098234

Just wanted to confirm these would be the correct lines.
 

Last edited by 610Low; Apr 27, 2018 at 01:58 PM.
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Old Apr 27, 2018 | 02:34 PM
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The banjo bolt looks right. I can't comment on the 44" line length but I would expect the left line to be several inches longer than the right. That is, unless you intend to hide or overlook some slop on the right.

I used a tee, so that's the best I got.
 

Last edited by cggorman; Apr 27, 2018 at 02:36 PM.
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Old Apr 27, 2018 | 02:53 PM
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Originally Posted by cggorman
The banjo bolt looks right. I can't comment on the 44" line length but I would expect the left line to be several inches longer than the right. That is, unless you intend to hide or overlook some slop on the right.

I used a tee, so that's the best I got.
Thanks for the info nonetheless.

I used the guide based on the TMF site for their kit. I believe the extra length is to compensate for the further distance. I could as you said hide the extra or just not care like most of the rest of my bike. She aint pretty.
 
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Old Apr 27, 2018 | 02:59 PM
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You can closely estimate the correct line length by using some small diameter hose like 1/4" OD vacuum line or even aquarium air line. Just mock it up as you want with the hose and measure the result. Don't forget to account for the banjos.
 
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Old Apr 27, 2018 | 08:59 PM
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i used a $1 ribbon measure from walmart to measure for my lines.

you could just reach out to spiegler and tell them your plan. they'g get you straight.

https://spieglerusa.com/
 
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