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04-08-2011, 01:44 AM
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#1 |
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Registered User
Join Date: May 2009
Location: Washington
Posts: 663
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Brake fitting sizes
On the flex brake line that comes down to the rear axle and has two female spots. What's the size on that -3an? Also on a mid 70's front caliper. Standard or metric banjo bolt?
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04-08-2011, 01:55 AM
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#2 |
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Registered User
Join Date: Nov 2009
Location: Sherman, ME
Posts: 2,366
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Re: Brake fitting sizes
Hi bikes&bowties,
The two female ports on the rear axle flex line are SAE 45 deg inverted flare (not AN flare which is 37 deg). They accept 3/16" diameter double flared brake line with 3/8"-24 threaded nuts. GM changed from standard to metric banjo bolts on the calipers sometime in the late 70's (around 78 I think). So mid 70's calipers should be standard ... 7/16"-20 thread if I remember correctly. Last edited by ray_mcavoy; 04-08-2011 at 01:56 AM. |
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04-09-2011, 12:47 AM
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#3 |
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Registered User
Join Date: May 2009
Location: Washington
Posts: 663
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Re: Brake fitting sizes
Awesome. Thanks a million
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