Quote:
Originally Posted by goof2
A bike with ABS, regardless if it is front/rear or front only, is probably going to have wheel speed sensors front and back. From what I understand of ABS it isn't triggered by the speed of an individual wheel, it is triggered by a difference in speed between two wheels. In order to sense that difference you need a sensor on both wheels. The way to tell would be to find the ABS pulse module (typically made from a block of billet aluminum) and see where the brake lines coming out of it go.
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BMW uses a valve/pump setup. If anyone would of bothered to read the webbikeworld link I posted, you would understand it can and does use the rear brake in it's design.
I will just get the best quote out of that article:
Quote:
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Even when using the integral function, the rider has the option to brake the rear wheel harder via the foot brake lever than the integral system as such would allow. This he can do up to the rear wheel locking point where ABS cuts in.
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Here's a neat little picture of the brake system with ABS that shows brake and sensor lines running from the valve/pump setup to both wheels.
