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PostPosted: Mon Oct 15, 2007 10:15 pm 
Retro Guru
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Joined: Wed Aug 29, 2007 8:29 pm
Posts: 370
Location: Peterborough
Excellent - thanks for clarifying! :)


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 Post subject:
PostPosted: Tue Oct 16, 2007 6:35 am 
Retro Guru
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Joined: Wed Aug 22, 2007 1:26 am
Posts: 297
Location: USA
I got a ride using Kooka Racha canti levers on XTR V's and they are a bit spongy...don't have clearance issues, though my rims are very true (might rub if rim is not straight)...and yes, there is quite a bit of cable to be pulled. Combo works OK, but not nearly as well as a proper V lever/brake match.


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 Post subject: My $0.02
PostPosted: Tue Oct 16, 2007 8:59 am 
Gold Trader
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Joined: Sat Jul 29, 2006 11:14 pm
Posts: 3820
Location: Somerset
It is my understanding that the V-Brake requires more cable pull because on a canti pulling 10mm of cable pulls both arms equally, 10mm on each side of the straddle wire, because they are yoked together.

On a V-Brake the cable has to pull one arm, and the outer pushes the other. This means that 10mm of cable pull moves each arm 5mm.

The greater mechanical advantage required of this means that the pivot point of the lever has to be sited nearer the bar.

I have used canti levers on V-Brakes but was never happy with the feel, though they were powerful!

The Shimano SLR system for canti's (as used on all rapidfire lever combos) has a moving mount for the barrel end of the wire. The pivot starts off a long way from the barrel (bringing the pads onto the rim quickly) and as the lever progresses the barrel gets closer to the pivot giving more power and modulation. This also makes them sort of useable with V-Brakes, but only, as said before, on super true wheels.


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 Post subject:
PostPosted: Tue Oct 16, 2007 9:35 am 
King of the DuckBoard
King of the DuckBoard

Joined: Sun Jan 28, 2007 12:30 pm
Posts: 21466
I often wonder this too. It sounds to risky. Just depends how much you value your life. It's not a nice feeling pulling on a brake lever and nothing or not much happens. And that back of a bus or that tree is getting closer :shock:
I'm having to ride my work bike with only a back brake until i sort out the fronts, V or canti? Or mix it with travel thingy that allows use of canti levers with V's. Or can i wait till my Maguras arrive in the post?


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 Post subject:
PostPosted: Wed Oct 24, 2007 12:25 pm 
Retro Guru
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Joined: Tue Sep 11, 2007 11:33 pm
Posts: 2192
Location: Liverpool
they do them in black aswell if anyone knows where you can get them at reasonable price let me know

http://www.problemsolversbike.com/


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 Post subject:
PostPosted: Wed Oct 24, 2007 12:39 pm 
Lincs AEC
Lincs AEC

Joined: Fri Sep 07, 2007 8:34 pm
Posts: 12314
Location: Branston, Lincoln
I'm running LX canti levers with DX V's on my RTS and to be honest, performance is better than with the original LX canti's.
I am sure that if you fiddle about to set them up correctly, you can get the performance your after. Yes, they will take more time than with canti's, but it is worth it.


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 Post subject:
PostPosted: Thu Oct 25, 2007 12:59 pm 
Dirt Disciple

Joined: Thu Jul 19, 2007 3:22 pm
Posts: 49
Location: Gloucester, UK
I have nearly always run V brakes with cantilever levers. Found no other way to get a decent amount of power. :twisted: Previously I had run the cannondale force 40 system, worked very well once you had got it set-up. :roll: Changing to a full system of V brakes showed no power increase and all it did was remove the softness.

I run XT V-brakes with SS5 levers and they are a bit squidgy but it does make them very controllable and powerful. As a few people have already said you do need wheels that are very true and it can be difficult to unhook the straddle wire to take the wheel out! :evil:

HTH
Ed


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 Post subject:
PostPosted: Sat Oct 27, 2007 8:11 am 
Gold Trader
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Joined: Thu Nov 09, 2006 11:19 pm
Posts: 1854
Location: Gwlad Gwlad to be here
Billys in Cambridge keep an excellent range of such things.

http://www.billys.co.uk/english/group.p ... bsqbta-adj


Rich


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