Twin leading brake

Information relating to the Matchless G12 or AJS Model 31 650cc twin
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Twin leading brake

Postby bob121 » Sat Apr 27, 2019 4:12 pm

Is there a twin leading brake plate that drops straight into the m31/g12 front hub. Mine is a 1960 model.

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Re: Twin leading brake

Postby ajscomboman » Sat Apr 27, 2019 7:25 pm

Simple answer, Nope!

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Re: Twin leading brake

Postby bob121 » Sat Apr 27, 2019 9:16 pm

Okey dokey. That sorts that out.

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Re: Twin leading brake

Postby clive » Sat Apr 27, 2019 10:48 pm

Is that a teledraulic fork. I have a Suzuki T500 front brake from the 80s. Its twin leading shoe brake with double the width of the brake shoes. In my case the alterations needed were the welding of stud into the bracket which previously engaged in the Suzuki stanchion. This then allowed a slightly altered brake arm to be fitted. A spacer and an altered brake cable complete the change. The hub is not unlike the AMC hub. The difference in the performance is worth the effort.
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Re: Twin leading brake

Postby ajscomboman » Sun Apr 28, 2019 9:37 am

clive wrote:Is that a teledraulic fork. I have a Suzuki T500 front brake from the 80s. Its twin leading shoe brake with double the width of the brake shoes. In my case the alterations needed were the welding of stud into the bracket which previously engaged in the Suzuki stanchion. This then allowed a slightly altered brake arm to be fitted. A spacer and an altered brake cable complete the change. The hub is not unlike the AMC hub. The difference in the performance is worth the effort.


Now come on Superintendent! Where and how does that comply with dropping straight in! :rofl: :rofl:

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Re: Twin leading brake

Postby Rob Harknett » Sun Apr 28, 2019 10:36 am

I have a mod 14 CSR AJS with a complete Suzuki front wheel. The bike came to me with it fitted. I'm sure that did not just drop straight in. There would surely be mods for anchor and cable / cable fittings. I have never looked to see how it differs from one of my light weights that has the correct wheel fitted.

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Re: Twin leading brake

Postby bob121 » Sun Apr 28, 2019 6:23 pm

It's ok. The std plate will stand for a modification. I just thought I'd ask the question before going down that road. No point messing about if something would drop straight in.

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Re: Twin leading brake

Postby dave16mct » Sun Apr 28, 2019 6:47 pm

A member a few years ago used to offer a service to modify your standard brake plate, making it twin leading shoe. I think his name was Dagger. Ex chairman Malcolm has one on his CSR.
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Re: Twin leading brake

Postby Andy51 » Sun Apr 28, 2019 8:11 pm

Hi Bob, I believe that a few 2LS brakeplates were cast and machined privately by a person unknown some years ago, but all went a long time ago. If you look on the club website photos (I do not know how to post links on my iPad) under pictures/bikes/classic road machines/TLS front brake you will see a very professionally made 2LS conversion to the standard AMC 7 in front brake by a member called Poul. The brakeplate work looks difficult but 'do able' on a lathe and milling machine, but the machining of the cam is brilliant but looks extremely difficult. I am currently working on fitting a Honda CB 250/350 2LS brakeplate (180mm) into a '55 on AMC hub, but it isn't that simple - will report progress in due course. I have just completed work on fitting a BSA single sided 8 in hub into teledraulic forks (needs new axle making) as they were reckoned to be one of the better brakes of their era. PM me for details. Andy

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Re: Twin leading brake

Postby clive » Sun Apr 28, 2019 9:31 pm

ajscomboman wrote:
clive wrote: .......The difference in the performance is worth the effort.


Now come on Superintendent! Where and how does that comply with dropping straight in! :rofl: :rofl:


I am not sure I suggested it would just drop in but I could be wrong :headbang:
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