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-   -   Thumb Brake (http://forums.sv650.org/showthread.php?t=143833)

SAMMY650 11-12-09 01:48 AM

Thumb Brake
 
Hi all,

I'm looking at modding my K6 SV by switching the rear brake to thumb operated brake as I've been told I can't ride my bike due to ongoing medical issue with right knee, but the sv is my only transport.

Does anyone have any experience using thumb brakes?

Does it effect the braking power at all? Does the orignal lever have to come off, or does stay on and is still usable along with the thumb brake?:confused:

Any and all info much appreciated.

barwel1992 11-12-09 02:33 AM

Re: Thumb Brake
 
hmm no idea about thumb brakes but hears another idea that comes from my quad, use the front brake lever to operate front and back so just link the back up to the front master cylinder with a double banjo , not sure about this in the wet though :S

Richie 11-12-09 05:35 AM

Re: Thumb Brake
 
borrowed from this web page
All Thumbs
GP Tech Cast Master thumb brake

Despite what some riders think, a motorcycle's rear brake does have a legitimate function beyond being something they brag about not using. To make it easier to employ, borrow a page from world champ Mick Doohan and try out GP Tech's Cast Master thumb brake. The least expensive ($285) of GP Tech's three thumb-brake systems, the Cast Master mounts to your bike's left clip-on, has a billet aluminum lever and comes with a Goodridge stainless steel hydraulic line plus a junction valve. (269) 671-4915, www.gptechllc.com

http://image.motorcyclistonline.com/...6_gear04_z.jpg


hth's
Richie

punyXpress 11-12-09 09:36 AM

Re: Thumb Brake
 
Don't try to join it to existing system - fluid will just go into the old master cylinder, being the line of least resistance.

ophic 11-12-09 09:51 AM

Re: Thumb Brake
 
Quote:

Originally Posted by barwel1992 (Post 2121354)
hmm no idea about thumb brakes but hears another idea that comes from my quad, use the front brake lever to operate front and back so just link the back up to the front master cylinder with a double banjo , not sure about this in the wet though :S

Quads have the advantage of 4 wheels, hence you're less likely to fall off. I shudder at the thought of both my brakes being applied with no control over the distribution, and no Honda engineer having thoroughly tested it first.

Dave20046 11-12-09 09:51 AM

Re: Thumb Brake
 
I wouldn't want the rear joined with the front. Richie's post looks interesting.

ArtyLady 11-12-09 09:53 AM

Re: Thumb Brake
 
The other problem is presumably you would have to inform DVLA/insurance etc?

BoltonSte 11-12-09 10:17 AM

Re: Thumb Brake
 
There's a company/website out there that modifies bikes for folk who can no longer ride a standard bike, it was in Ride a while back I will try and have a look.

Here you go http://www.nabd.org.uk/whoare.htm

Richie 11-12-09 10:41 AM

Re: Thumb Brake
 
the Honda VFR800 has a sliding front left caliper that is connected to it own small master cylinder which applies the rear brake...
So give the front brake a big hand full then the rear also applies too....

Richie 11-12-09 10:45 AM

Re: Thumb Brake
 
also...

clicky link. that one sold but there are others...

also found a forum for Riders with disabilities, with a few topic on the subject


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