problem with performance machine calipers help
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Joined: Jan 2014
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From: Delaware
The 8 spoke mags were the wheels that came on the bike from the factory. If pm advertised them as fitting, they should fit. They've been around long enough to trust their knowledge. I've been using their stuff forever. Just doesn't bake sense
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Joined: Nov 2009
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From: Tampa
Until the rotors gets hot a few times and develop a slight warp, right ?
Mixing parts can be a PITA, my wife is small and I built her a custom bike and had fits trying to get parts to fit and work correctly. My experience was hit and miss as far as finding components that work well together the first time. Keep looking and you'll find the right stuff.
Mixing parts can be a PITA, my wife is small and I built her a custom bike and had fits trying to get parts to fit and work correctly. My experience was hit and miss as far as finding components that work well together the first time. Keep looking and you'll find the right stuff.
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Joined: Nov 2009
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From: Tampa
My bad, I meant calipers. The PM calipers are bolted rigidly to the fork tube so any warping of the rotor will only pulse the brake lever by not pushing on the pistons uniformly.
If you look historically, HD used a floating caliper (the 2-piston shitty ones you probably took off that bike) with a rigid rotor. THEN the caliper could hit the wheel.
If you look historically, HD used a floating caliper (the 2-piston shitty ones you probably took off that bike) with a rigid rotor. THEN the caliper could hit the wheel.
Last edited by Mattbastard; Feb 12, 2019 at 06:07 AM.
I don't know how much clearance is necessary, but I don't imagine you need all that much. I'd feel fine at anything over 1/8", maybe even 3/32". Maybe even 1/16". That's just a guess.
For comparison, I put Wilwood calipers on mine. The width from the center of the disk to the inboard edge of the caliper is 1.05".
What's the equivalent dimension on your PM's?
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Pics FWIW. Also, Omaha had a question pertaing to distance from center of rotor to inboard edge of caliper ~ 1.14".
Last edited by GREENOHAWK69; Feb 12, 2019 at 09:31 AM.
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From: Delaware
that pic is helpful actually. You have the older version with the brackets which looks like it might mount the caliper down and further and maybe a different angle
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