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Author Topic: Suitable 550 Dual Disc Master Cylinder?  (Read 944 times)

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Offline chadbenson

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Suitable 550 Dual Disc Master Cylinder?
« on: December 13, 2013, 07:42:17 AM »
Saw this 22mm Master Cylinder over at Mikes XS and was curious if it would be adequate for a 550 dual disc conversion? I'd be using braided lines and stock calipers.

http://www.mikesxs.net/product/08-3000.html

Anyone already using this on their bike?

I saw a chart on a previous post that talked about mm ratios that provide certain feels, but wasn't too clear on how to calculate correctly.

http://www.vintagebrake.com/mastercylinder.htm
« Last Edit: December 13, 2013, 07:47:14 AM by chadbenson »
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Offline flatlander

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Re: Suitable 550 Dual Disc Master Cylinder?
« Reply #1 on: December 13, 2013, 08:00:58 AM »
i use a stock master cylinder with dual discs that both have stock calipers.
all i know is it works well (has certainly more grip than just 1 disc, and feels ok) but i haven't tried different cylinder sizes to compare.
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Offline Bankerdanny

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Re: Suitable 550 Dual Disc Master Cylinder?
« Reply #2 on: December 13, 2013, 08:09:47 AM »
If you visit Randakk's site he has a post in the technical blog section about MC sizes for GL1000's that you might find useful.
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Current: '76 CB750F. Previous:  '75 CB550F, 2007 Yamaha Vino 125 Scooter, '75 Harley FXE Superglide, '77 GL1000, '77 CB550k, '68 Suzuki K10 80, '68 Yamaha YR2, '69 BMW R69S, '71 Honda SL175, '02 Royal Enfield Bullet 500, '89 Yamaha FJ1200

Offline flybox1

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Re: Suitable 550 Dual Disc Master Cylinder?
« Reply #3 on: December 13, 2013, 08:20:21 AM »
A 14mm master cylinder will be adequate. 
I am running a 14mm on my 750 with dual discs.
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