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D1Bantam/CB125 Rework
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trialsstar3
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March 22, 2020 - 7:02 pm
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bantammad said
Hi bantammad ere have a look at my profile photo see my D5 twin drum brake.one l made years ago works well l might add good modification from the shed Les   

Ahh propper job! A noticeable difference in braking performance? Have you done a post on the mod? If not could you send me some photos or details? 

Thanks

All things Engineery 

1958 BSA Bantam D1

1980 Porsche 911 SC

1989 Mazda MX5

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bantammad
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March 22, 2020 - 9:27 pm
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Hi bantammad ere no not done a post or photos on the brake modification at all mainly because I’m a dinosaur. I tend to get my granddaughters help on down or up loads. Etc but as things are it may be some time to get photos posted.from the shed Les 

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bantammad
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March 22, 2020 - 9:41 pm
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Hi bantammad ere just thought trialsstar send me PM and a mobile phone number l can take some photos and ping them to you regards Les 

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Number6
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March 23, 2020 - 5:03 pm
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Top speed on the flat was about 45mph...

It's about 4 hp, so yeah probably .. laugh

Adverts from the day said should get 50 out of it

Mike H --

Murphy's 4th law of motion states that any small object that is accidentally dropped will immediately hide itself under a larger object.

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NeilB
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March 23, 2020 - 5:46 pm
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About as reliable as the manual for the Triumph T20?

20200323_174528.JPG

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FrankG
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March 23, 2020 - 11:35 pm
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Hi, as this is a hybrid has anyone thought of using the cable operated disc brake from a Honda CB100/125, not sure it would be possible but from a similar bike to the engine.

 

Frank

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Blue Heeler
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March 23, 2020 - 11:49 pm
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I`ve bought a nice little complete front-end set-up for my D1 off one of the racing chaps c/w 2LS. Looking for upgrade for my D3  now.

Re the rear brake pedal being on the opposite side to the brake drum, I was thinking that a cable operation could be a possible mod for that, although not done it myself. Only had the cable operated same side set-up, on a Trials Cub. 

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bantammad
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March 24, 2020 - 3:22 am
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Hi bantammad ere that rear brake cable modification could be interesting have a look at Honda CB72 rear brake set up may show light on the idea happy days Blue lets have some pics when you have some progress from the shed Les 

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Nick_S
Coffs Harbour, Australia
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March 24, 2020 - 7:47 am
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bantammad said
Hi bantammad ere that rear brake cable modification could be interesting have a look at Honda CB72 rear brake set up may show light on the idea happy days Blue lets have some pics when you have some progress from the shed Les   

Totally forgotten that my old CB72 had a cable operated rear brake, until you mentioned it Les!

 

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BSAdave
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March 24, 2020 - 9:37 am
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I fitted a Honda engine to one of my Bantams, what I quickly learnt was the bantam brakes were not up to the job of the extra speed especially living in London with all the traffic. i had to raise the petrol tank at the rear of it to get it to fit this is hardly noticeable. Nothing i did can not be undone if i ever what to fit the Bantam engine back in. Will be following your progress.  good luck and keep the posts coming.

I could agree with you, but then we would both be wrong

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cocorico
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March 24, 2020 - 9:53 am
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Nick_S said

Totally forgotten that my old CB72 had a cable operated rear brake, until you mentioned it Les!...
  

What a lovely looking bike. I much prefer that look to modern ones. As far as Bantam brakes go, if you are building a hybrid I don't see any problem aesthetically with a more modern and efficient front brake & forks. I'm pretty sure some of the hybrids in the forum have Suzuki or Honda forks incorporated.

1956 D3 running, lights to sort. 7 other bikes in the Barn. 1950 D1 engine being rebuilt (slowly).

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bantammad
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March 24, 2020 - 7:57 pm
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Hi bantammad ere yes had a 1964 Honda CB77  305cc nothing to touch it what a flyer happy days Les 

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