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  #1  
Old 24-02-2009, 08:18 PM
trevor heron trevor heron is offline
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Default hand brake problem

Is there anyone who can answer my question and maybe throw a few ideas my way. I would be very grateful for ANY help.
Has anyone fitted a mechanical parking brake on to a reverse trike or FRIKE as some are calling it? I am using a ZX7R bike, touching nothing behind the yoke. I have had some advice but not complete.
Please feel free to email me with advice please asap
Thank you.xxx Nice dog by the way
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  #2  
Old 24-02-2009, 08:23 PM
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Trevor, I moved this to here as I felt it needed a home of it's own rather than tagging along on another thread.

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Old 24-02-2009, 08:27 PM
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Dont really understand these forums yet Grav
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Old 24-02-2009, 08:28 PM
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There's some folks been here for years and they don't understand them either, Trevor.
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Old 24-02-2009, 08:33 PM
trevor heron trevor heron is offline
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Not just us old gits then?
Can you help my problem at all
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Old 24-02-2009, 08:47 PM
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I only know of one person who has built a trike with the configuration you are using. Tha's Mr SBeachill. If anyone can help it's him.
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Old 24-02-2009, 08:57 PM
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Cheers
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Old 25-02-2009, 06:05 PM
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you could make up a bracket to mount another caliper to the rear disc.............something like an older 125 cable operated disc brake..
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Old 25-02-2009, 06:13 PM
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I'll be using mini rear drums and backplates on the front of my backward trike, comes complete with handbrake. Downside is fabricating the uprights rather than having a off the shelf item.........
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  #10  
Old 25-02-2009, 07:12 PM
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Quote:
Originally Posted by Mistress Maker View Post
you could make up a bracket to mount another caliper to the rear disc.............something like an older 125 cable operated disc brake..
From the other thread ..............



Quote:
Originally Posted by shaggy696969 View Post
Under Braking weight for MOT / testing purposes you will not have enough Braking efficiency /weight on the rear of a Frike (Tadpole) Use the Axel with 2 wheels for hand brake, use something like Golf GTI brake callipers as these have a mechanical handbrake mech as well as hydraulic for normal brakes. Mondeo/granada's have similar theres plenty of choice just remember you will need a massive master cylinder to force enough brake fluid through to operate them.
You need decent braking efficiency to pass a mot. Single caliper on rear wheel will not give a pass. (legally)
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  #11  
Old 26-02-2009, 04:23 PM
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Default frike hand brake

Try WWW.HISPECMOTORSPORT.CO.UK .they do a lovely little cable caliper for£65 plus VAT .Was considering using one on front of conventional trike cus handbrakes are ugly bloody things to site
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Old 26-02-2009, 06:39 PM
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Rally design do a really nice small mechanical handbrake caliper that would be good for this job
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Old 26-02-2009, 07:20 PM
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Is this the one?

http://www.rallydesign.co.uk/product...oducts_id=8312

Will it be up to the job?
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Old 28-02-2009, 12:30 PM
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Quote:
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Is this the one?

http://www.rallydesign.co.uk/product...oducts_id=8312

Will it be up to the job?
That's the caliper I used on my FRIKE, make sure you use a strong cable with plenty of cable adjustment and it works OK, if you have a friendly tester he will make sure it's adjusted to it's optimum before testing it for you.






Cheers

Steve

Last edited by SBeachill; 28-02-2009 at 12:34 PM.
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Old 28-02-2009, 06:01 PM
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Thats the one i was thinking of alright
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Old 28-02-2009, 08:10 PM
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Splendid, I did wonder what Mr Beachill had done to solve this problem.
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Old 28-02-2009, 10:21 PM
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Default Hand brake

So, who's right? Shaggy or SBeechhill
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Old 28-02-2009, 10:25 PM
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I would say they are both right, so take your pick of which way to go.
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Old 28-02-2009, 11:12 PM
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Default handbrake

Talk about sitting on the fence Grav!!
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  #20  
Old 01-03-2009, 10:31 AM
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Both solutions have their merits, Trev.
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  #21  
Old 01-03-2009, 12:50 PM
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Quote:
Originally Posted by trevor heron View Post
So, who's right? Shaggy or SBeechhill

One has built a frike, had it MOT'd , used it on the road and used one of those calipers. The other one hasn't.

Mr Spock says ???????????????

Shaggy's post has a lot of merit but practicality appears to disagree with him.
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  #22  
Old 01-03-2009, 08:16 PM
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Quote:
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Mr Spock says ???????????????
Fascinating.........

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Old 01-03-2009, 09:22 PM
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I will add one thing, the small mechanical caliper worked well but did require the arm that operates it to be extended in length to give better leverage for locking the wheel.

Cheers

Steve
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  #24  
Old 01-03-2009, 09:22 PM
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Default parking brake

Quote:
Originally Posted by trevor heron View Post
So, who's right? Shaggy or SBeechhill
The regulations require the park brake to work on all the wheels on one axle, so if you wish to put it on a single wheel thats fine.

As to efficiency for MOT as long as half or more of the wheels on any system lock you get a pass.

As long as the park brake will lock the wheel it will pass.

Watch out for some of the older Hi Spec callipers which actually operate the parking brake hydraulicallly inside 'cos thats dangerous and ilegal.
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  #25  
Old 01-03-2009, 10:48 PM
trevor heron trevor heron is offline
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Default parking brake

Thanks for the advice guys, trust me when I say, it is all very welcome.
I have bid on ebay for a new pair of golf gti rear calipers with the hand brake mechanism built in and hope that will do the trick!
Now, can anyone tell me if I can pick up a digital speedo cheap? as you know with the original being cable and attached to the front wheel, it has to go.....unless someone may know a way round it. Though, for the life of me, I am stumped.
PS; this may be a really stupid question but, can a car tyre be fitted to the rear wheel of a ZX7R??? just to give extra rear traction as you may have guessed.
Cheers guys, one at a time please
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  #26  
Old 01-03-2009, 11:16 PM
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Quote:
Originally Posted by trevor heron View Post
Thanks for the advice guys, trust me when I say, it is all very welcome.
I have bid on ebay for a new pair of golf gti rear calipers with the hand brake mechanism built in and hope that will do the trick!
Now, can anyone tell me if I can pick up a digital speedo cheap? as you know with the original being cable and attached to the front wheel, it has to go.....unless someone may know a way round it. Though, for the life of me, I am stumped.
PS; this may be a really stupid question but, can a car tyre be fitted to the rear wheel of a ZX7R??? just to give extra rear traction as you may have guessed.
Cheers guys, one at a time please
Pushbike speedo's are cheap and accurate, and dont' fit car tyres to bike rims! modify a car wheel to fit, far safer!
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Old 01-03-2009, 11:19 PM
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Quote:
Originally Posted by trevor heron View Post
Thanks for the advice guys, trust me when I say, it is all very welcome.
I have bid on ebay for a new pair of golf gti rear calipers with the hand brake mechanism built in and hope that will do the trick!

PS; this may be a really stupid question but, can a car tyre be fitted to the rear wheel of a ZX7R??? just to give extra rear traction as you may have guessed.
Cheers guys, one at a time please
I got a couple of pairs of new Golf calipers in the shed. PM me if you don't have any luck on ebay.

Stay away from car tyres on bike wheels.
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  #28  
Old 01-03-2009, 11:25 PM
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Hi, firstly, speedo, Lidls are doing a pushbike one fairly cheap, Might be worth a shot? secondly, tyres, never tried it but be warned Sidecar bunch have similar goal and wish, eg car tyre on bike rim. Some here seem to get some bike / car tyre / rim combos to work for them BUT you may destroy several tyres trying to get them to fit, someone in the usa apparently was killed trying to get a car tyre onto a bike rim when the plot blew up due to him overinflating the tyre to get it to fit the bead. Car wheels and bike wheel rims are apparently either a few mil bigger or smaller than each other for same nominal size. It may work or it may not, might be cheaper to make up a hub that carries a car wheel in the bike wheels place, in the long run.
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  #29  
Old 01-03-2009, 11:54 PM
trevor heron trevor heron is offline
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Default parking brake

Thanks guys, thought the tyre thing was a bit stupid but you have to ask!
HAPPYBIKER, email me with a price {CHEAP} Surely the pushbike speedo would be naff.... but hey thanks. Looking at some on ebay not too scary. looking forward to the headaches to come
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  #30  
Old 02-03-2009, 12:20 AM
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Default Push bike speedos work just fine

It just depends if your vanity outweighs your thriftyness, I know mine doesn't! Halfords 8 function pushbike speedo £10.76, how cheap do you want it!

http://www.halfords.com/webapp/wcs/s...egoryId_165741

I've had 2 of these on different bikes and they work just fine.

Cheers, Big Mick.
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