Four discs? How's that work?

[DukeRed]

https://beringerbrakes.com/4d.html

Can't figure out how they work. 4 pads or 2 pads?

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[nick.h]

4 pistons and 3 pads per caliper
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[Italjet MM5A] ll [Rieju RS1 Evolution] ll [Suzuki GS500e] ll [Suzuki GSX600F] ll [Honda CG125] ll [Pug Elyseo 125] ll [Yamaha YZF750R] ll [Yamaha Thunderace] ll [Yamaha R6] ll [Triumph 955i] ll [Hayabusa RZK3] ll [Suzuki RGV250] ll

[DukeRed]

Ah I see. Very cool.
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[Teaman]

woo hoo. gone are the days of not being able to pump your tyres up at the patrol station and struggling like buggery with the foot pump
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There is no point in ranting about someone stupid because there is nothing u can do about it. There is no cure for stupid.
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[Rookie]

$1600 for a front system!

[sickpup]

Its an old system, 8-9 years old.

Saw it years ago and the consensus was no improvement over a conventional system but extra weight.

[selfdestructi...]

spotted these on bsb bikes a couple of years ago.. a passing fad (bit like radial brakes)
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Triumph Daytona 955i - Triumph Sprint Sport - Suzuki DR350ES

[Luke_Retrofly]

Hi
I dont think radial calipers are a passing fad, they are the new gen

Luke
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[Lee_367]

They keep more of the weight towards the centre of the wheel which is a good thing. I'm sure i've seen them on a few endurance bikes.
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[sickpup]

[lilredmachine]

it also looks wank.
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Bikes: too many, too much for one man to maintain anyway.

[DucatiEVO]

I'm with him ^^^
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aKa: Ducky

[DukeRed]

https://cgi.ebay.co.uk/gary-masons-2002-british-superbike-for-sale_W0QQitemZ4599051286QQcategoryZ9806QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

I reckon they look pretty trick on this.
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[DucatiEVO]

Nope still look wank!
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aKa: Ducky

[mchaggis]

You can have as many discs as you like with a wet multi-disc arrangment, commonly used in tractors etc. For a small radius you can pack in loads of discs and use the self-servo effect to ramp the braking torque right up.
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Discovering the delights of Hammerite and a 3/4" brush.

[Deano]

those who think radial brakes are a fad are mistaken.

Radial calipers flex less than standard calipers which results in fade because some of the pots lift up and away from the rotors.

Radial calipers have been proven to stop up to 2 bikes lengths better than the old system. a small increase but definate one that is still a major benefit to racers and road users if they are used properly.

[loply]

Folks seem to be confused between "radial mounted discs" and "radially mounted calipers". The two are completely different things.

Radially mounted discs (one extremely large disc arouned the edge of the wheel) may or may not be a passing fad; They certainly work though, reducing weight and increasing braking force.
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Yamaha SZR660 Caution to the wind, the throttle pinned!

[NSR Mick]

[quote="Deano"]those who think radial brakes are a fad are mistaken.

Radial calipers flex less than standard calipers which results in fade because some of the pots lift up and away from the rotors.
quote]

agreed but how many people who buy a bike with radial calipers would be able to tell????

its the pb effect, i.e. its got radial calipers so it must be good

[Deano]

@ loply: reducing weight ie is in the aspect of the wheels can be lighten further than they are today as the force from braking are less harsh on the spokes. So the wheels can be weakened by lightening the wheel and also you only need one disc compared to the norm of two.

@gsxrmick: that may be true but they still an improving from the old and don't cost the manufacturers more money to produce/redesign which i think is the problem with radially mounted discs.

[loply]

So if radially mounted discs are indeed superior, which I believe they are, then why aren't they fitted as standard to any mainstream bikes?
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Yamaha SZR660 Caution to the wind, the throttle pinned!

[mchaggis]