Left hand rear brake control - Ducati.ms - The Ultimate Ducati Forum
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post #1 of 73 (permalink) Old Apr 7th, 2019, 8:03 am Thread Starter
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Left hand rear brake control

Anybody ever try fitting left hand rear brake control on their bike?

https://www.ox-brake.com/

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post #2 of 73 (permalink) Old Apr 7th, 2019, 8:22 am
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I have made many of rear master cylinder taps years ago and gave them away to the supermoto community for stunting before the dual caliper bracket came to be but I have never used the OX system. The tap works great but you need to install the clip that holds the tap Inside the master in the correct orientation. The clip looks the same on both sides at first glance but one side has a sharp edge. That edge needs to be facing out
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post #3 of 73 (permalink) Old Apr 7th, 2019, 10:51 am Thread Starter
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You know, I can make this myself for a few dollars and see if it works.

These are the components I will use and some pics of the mock-up.

Clutch lever and perch
Clutch cable
Cable adjuster to be secured with safety wire on heel guard of passenger peg mount
Cable locks to secure cable end on lever
Clutch lever to be secured with two bolts to existing foot brake lever.


The biggest task will be removing the brake lever to drill two holes to attach the lever extension.
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post #4 of 73 (permalink) Old Apr 7th, 2019, 6:54 pm Thread Starter
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post #5 of 73 (permalink) Old Apr 7th, 2019, 7:44 pm
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I made a cable actuated left hand rear brake for my kids crf50 mini supermoto very similar to the pics you shared which is also the same ide as the OX . It works fine but not as good as the hydraulic tap.
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post #6 of 73 (permalink) Old Apr 8th, 2019, 3:58 am Thread Starter
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Quote:
Originally Posted by araitim View Post
I made a cable actuated left hand rear brake for my kids crf50 mini supermoto very similar to the pics you shared which is also the same ide as the OX . It works fine but not as good as the hydraulic tap.
If I like the basic functionality of the setup, I may look into the available hydraulic versions on the market.

A smaller footprint lever and master with this setup might work well:

https://www.tacticalmindz.com/produc...nd-brake-kit-1

Good information in this thread:

https://thumpertalk.com/forums/topic...nd-rear-brake/

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post #7 of 73 (permalink) Old Apr 8th, 2019, 11:40 am
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A raidal/semi radial master cylinder will fit far better than an axial one with the resviour cast into it. I made a hydraulic thumb rear brake and it was very difficult to get used to. I had an old axial master at one point and it made everything not fit nicely then switched to a Yamaha r1/r6 brembo semi radial 16mm master and it worked great ok. Then used a beringer 17mm master then ultimately ended with a megura 13mm master. That had the best power and feel while being able to squeeze it all on the bars.
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post #8 of 73 (permalink) Old Apr 9th, 2019, 6:38 am Thread Starter
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Quote:
Originally Posted by araitim View Post
A raidal/semi radial master cylinder will fit far better than an axial one with the resviour cast into it. I made a hydraulic thumb rear brake and it was very difficult to get used to. I had an old axial master at one point and it made everything not fit nicely then switched to a Yamaha r1/r6 brembo semi radial 16mm master and it worked great ok. Then used a beringer 17mm master then ultimately ended with a megura 13mm master. That had the best power and feel while being able to squeeze it all on the bars.
How would you plumb the setup on the Hypermotard with two brembo masters, levers, and reservoirs on the bars?

Do you have any drawings, pictures?

Could you just put a double banjo on the stock rear brake master and plumb the left hand line banjo with the existing pedal line banjo into the rear brake pedal master? It would require eliminating the lower master reservoir and plugging that opening.

Something like this:

https://www.tacticalmindz.com/collec...alve-with-line
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post #9 of 73 (permalink) Old Apr 9th, 2019, 1:35 pm
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Just like in that last pic. From tactical mindz. The tap hose in place of the remote reservoir on the foot master. It allows the pressure from the hand master to flow through it while the foot isnt pressed. Then the foot operates normal when the hand isnt pressed. You cant run a dual banjo at the rear master or at the rear caliper. The pressure will just push out the opposite reservoir instead of being applied to the caliper. When any master cylinder is in resting position it has 2 holes open. Those 2 holes keep the master full from the reservoir . When you depress the lever the hole to the reservoir is closed and pressure starts building. The tap allows front/hand pressure to pass through the rear master and pressurize the caliper. This is the only way to run 1 caliper and 2 master cylinders
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post #10 of 73 (permalink) Old Apr 12th, 2019, 10:30 am Thread Starter
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